航空英语常用缩写词语.doc

英 语 缩 写 索 引英文缩写 英文全称 中文全称A Amber 琥珀色A Alternate 备用的A/BRK Auto Brake 自动刹车A/C Aircraft 飞机A/D Analog/Digital 模/数A/DC Analog-to-Digital Converter 模/数转换器A/R Audio Reproducer 放音机A/SKID Anti-Skid 防滞A/THR Autothrust 自动推力A/XFMR Autotransformer 自动变压器AC Alternating Current 交流电ACARS Aircraft Communication Addressing andReporting System 飞机通信寻址和报告系统ACC Active Clearance Control 主动间隙控制ACCEL Acceleration/Accelerate 加速（度）ACCLRM Accelerometer 加速度计ACCU Accumulator 储压器ACM Air Cycle Machine 空气循环机ACMS Aircraft Condition Monitoring System 飞机状态监控系统ACOC Air Cooled Oil Cooler 风冷式滑油冷却器ACP Area Call Panel 区域呼叫面板ACP Audio Control Panel 音频控制面板ACQN Acquisition 采集ACSC Avionics Compartment System Cooling 电子舱系统冷却ACT Additional Center Tank 附加中央油箱ACTR Actuator 作动筒ADC Air Data Computer 大气数据计算机ADF Automatic Direction Finder 自动定向机ADI Attitude Direction Indicator 姿态指引仪ADIRS Air Data/Inertial Reference System 大气数据惯性基准系统ADIRU Air Data/Inertial Reference Unit 大气数据惯性基准组件ADM Air Data Module 大气数据装置ADR Air Data Reference 大气数据基准ADS Air Data System 大气数据系统ADV Advisory 提示，咨询AEVC Avionics Equipment Ventilation Computer 电子设备通风计算机AF Audio Frequency 音频频率AFS Automatic Flight System 自动飞行系统AGB Accessory Gearbox 附件齿轮箱AGC Automatic Gain Control 自动增益控制AGL Above Ground Level 离地高度AGW Actual Gross Weight 实际全重AIDS Aircraft Integrated Data System 飞机综合数据系统AIL Aileron 副翼AIM Aircraft Integrated Maintenance 飞机整体维护AIP Attendant Indication Panel 乘务员指示面板ALT Altitude 高度ALTM Altimeter 高度表ALTN Alternate, Alternative 备用的AM Amplitude Modulation 调幅AMP Ampere 安培AMPL Amplifier 放大器AMM Aircraft Maintenance Manual 飞机维护手册AMTOSS Aircraft Maintenance Task Oriented SupportSystem 飞机维护工作指导支持系统AMU Audio Management Unit 音频管理组件ANI Analog Input 模拟输入ANN Annunciator 指示器，信号牌ANN LT Annunciator Light 指示灯ANO Analog Output 模拟输出ANT Antenna 天线AOA Angle-of-Attack 迎角AP Autopilot 自动驾驶AP/FD Autopilot/Flight Director 自动驾驶/飞行指引APPR Approach 进近APPU Asymmetry Position Pick Off Unit 不对称位置传感组件APU Auxiliary Power Unit 辅助动力装置ARINC Aeronautical Radio Incorporated 航空无线电公司ARM Aircraft Recovery Manual 飞机恢复手册ARMD Armed 预位的ARPT Airport 机场ASCII American Standard Code for InformationInterchange 美国信息互换标准代码ASI Airspeed Indicator 空速指示器，空速表ASIC Application Specific Integrated Circuits 专用集成电路A/SKID Anti Skid 防滞ASM Aircraft Schematics Manual 飞机系统原理图手册ASP Audio Selector Panel 音频选择面板ASSY Assembly 组件ATA Air Transport Association of America 美国航空运输协会ATC Air Traffic Control 空中交通管制ATE Automatic Test Equipment 自动测试设备ATLAS Abbreviated Test Language for All Systems 所有系统适用的简化测试语言ATS Autothrottle System 自动油门系统ATS Autothrust System 自动推力系统ATSU Air Traffic Service Unit 空中交通服务组件ATT Attitude 姿态ATTND Attendant 乘务员AUTO Automatic 自动AUX Auxiliary 辅助的AVAIL Available 可用的，可实现的AVM Airborne Vibration Monitor 机载振动监控AVNCS Avionics 航空电子AWM Aircraft Wiring Manual 飞机线路图手册AWY Airway 航线，航空公司AZ Azimuth 方位B Blue 蓝（色）BARO Barometric 气压的BAT Battery 电瓶BCL Battery Charge Limiter 电瓶充电限制器BFO Beat Frequency Oscillator 拍频振荡器BGM Boarding Music 登机音乐BITE Built-in Test Equipment 内装测试设备BMC Bleed Monitoring Computer 引气监控计算机BOT Begin of Tape 磁带始端BRG Bearing 轴承，方位BRK Brake 刹车BRKR Breaker 跳开关BRKT Bracket 支架，固定夹BRT Bright, Brightness 亮，亮度BSCU Braking/Steering Control Unit 刹车/转弯控制组件BTC Bus Tie Contactor 汇流条连接接触器BTL Bottle 瓶BTMU Brake Temperature Monitoring Unit 刹车温度监控组件BTN Button 按钮BTR Bus Tie Relay 汇流条连接继电器BU Battery Unit 电瓶组件BUS Bus bar 汇流条BYDU Back-Up Yaw Damper Unit 备份偏航阻尼器C Close 关，闭合C Celsius, Centigrade 摄氏C/B Circuit Breaker 电路跳开关C/L Check List 检查单CAB Cabin 客舱，座舱CAM Cabin Assignment Module 客舱配置装置CAPT Captain 机长CAS Calibrated Air Speed 调整空速，计算空速CAUT Caution 注意，警戒CAUT LT Caution Light 注意灯，警戒灯CBMS Circuit Breaker Monitoring System 跳开关监控系统CBMU Circuit Breaker Monitoring Unit 跳开关监控组件CCS Cabin Communications System 客舱通信系统CCW Counter Clockwise 逆时针CDP Compressor Discharge Pressure 压缩机出口压力CDU Control and Display Unit 控制显示组件CFDIU Centralized Fault Display Interface Unit 中央故障显示接口组件CFDS Centralized Fault Display System 中央故障显示系统CFMI CFM International CFM国际公司CFRP Carbon Fiber Reinforced Plastic 碳纤维加强塑料CG Center of Gravity 重心CGCS Center of Gravity Control System 重心控制系统CHAN Channel 通道，频道CHG Change 改变CIDS Cabin Intercommunication Data System 客舱内部通信数据系统CK Check 检查CKPT Cockpit 驾驶舱CKT Circuit 电路CL Center Line 中心线CLB Climb 爬升CLG Centerline Landing Gear 中心线起落架CLOG Clogging 阻塞CLR Clear 清除CM Crew Member 机组成员CMC Central Maintenance Computer 中央维护计算机CMD Command 指令CMS Central Maintenance System 中央维护系统CNTOR Contactor 接触器CO Company 公司COM Communication 通信，交通COMP Compass 罗盘COMPT Compartment 舱COMPTR Comparator 比较器COND Conditioned, Conditioning (空)调的CONFIG Configuration 构型CONT Controller, Continuous 控制器，持续的CONV Converter 转换器，变流机COOL Cooling, Cooler 冷却，冷却器CPC Cabin Pressure Controller 座舱增压控制器CPLR Coupler 耦合器，电耦CPMS Cabin and Passenger Management System 客舱和旅客管理系统CPRSR Compressor 压缩机CPU Central Processing Unit 中央处理器CRC Continuous Repetitive Chime 连续重复性谐音CRG Cargo 货物，货舱CRS Course 航道CRT Cathode Ray Tube 阴极射线管CRZ Cruise 巡航CSD Constant Speed Drive 恒速驱动CSM/G Constant Speed Motor/Generator 恒速马达发电机CSTR Constraint 抑制，固定CSU Command Sensor Unit 指令传感组件CT Current Transformer 控制变压器，电流互感器CTL Central 中央的CTL Control 控制CTR Center 中心，中CU Control Unit 控制组件CUDU Current Unbalance Detection Unit 电流不平衡探测组件CUR Current 电流，当前的CVR Cockpit Voice Recorder 驾驶舱话音记录器CVT Center Vent Tube 中通气管CW Clockwise 顺时针D/D Engine Out Drift Down Point 发动机停车飘降点D/O Description and Operation 说明和使用DA Drift Angle 偏流角DAC Digital to Analog Converter 数模转换器DAR Digital ACMS Recorder 数字式飞机状态监控系统记录器DAR Digital AIDS Recorder 数字式AIDS记录器DC Direct Current 直流电DDRMI Digital Distance and Radio Magnetic Indicator 数字式距离和无线电磁指示器DEC Declination 倾斜，偏角，偏斜DECEL Decelerate 减速DECR Decrease 减少DEF Definition 定义DEG Degree 度DELTA P Differential Pressure 压差DES Descent 下降DEST Destination 目的地DET Detection, Detector 探测，探测器DEU Decoder/Encoder Unit 译码/编码组件DEV Deviation 偏差，偏离DFDR Digital Flight Data Recorder 数字式飞行数据记录器DFDRS Digital Flight Data Recording System 数字式飞行数据记录系统DGI Digital Input 数字式输入DGO Digital Output 数字式输出DH Decision Height 决断高度DIA Diameter 直径DIFF Differential 差，差动的DIM Dimming, Dimension 暗，尺寸DIR Direction, Direct, Director 方向，指引，控制器DISC Disconnect, Disconnected 脱开，脱开的DIST Distance 距离DMA Direct Memory Access 直接读取存储器DMC Display Management Computer 显示管理计算机DME Distance Measuring Equipment 测距机DMU Data Management Unit 数据管理组件DN Down 下DNLK Down lock 下锁DPDT Double Pole/Double Throw 双刀式开关DPI Differential Pressure Indicator 压差指示器DR Dead Reckoning 航迹推算法DRVR Driver 驱动器DSDL Dedicated Serial Data Link 专用串行数据链DSI Discrete Input 离散输入DSO Discrete output 离散输出DSPL Display 显示DTG Distance to Go 待飞距离DTMF Dual Tone Multiple Frequency 双音频多频率DU Display Unit 显示组件，显示器E East 东ECAM Electronic Centralized Aircraft Monitoring 飞机电子集中监控（系统）ECB Electronic Control Box (APU) 电子控制盒ECM Engine Condition Monitoring 发动机状态监控ECMU Electrical Contactor Management Unit 电接触器管理组件ECON Economy 经济ECP ECAM Control Panel ECAM控制面板ECS Environmental Control System 环境控制系统ECU Electronic Control Unit 电子控制组件EEC Electronic Engine Control 发动机电子控制EEPROM Electrically Erasable ProgrammableRead Only Memory 电可擦除可编程只读存储器EFCS Electrical Flight Control System 电传式飞行操纵系统EFF Effective, Effectivity 有效的，有效性EFIS Electronic Flight Instrument System 电子飞行仪表系统EGIU Electrical Generation Interface Unit 发电接口组件EGPWS Enhanced Ground Proximity Warning System 加强型近地警告系统EGT Exhaust Gas Temperature 排气温度EIS Electronic Instrument System 电子仪表系统EIU Engine Interface Unit 发动机接口组件EIVMU Engine Interface and Vibration Monitoring Unit 发动机接口和振动监控组件ELAC Elevator Aileron Computer 升降舵副翼计算机ELEC Electric, Electrical, Electricity 电，电的，电源ELEV Elevation, Elevator 升降，升降舵，（机场）高度EMER Emergency 应急的，紧急的EMI Electromagnetic Interference 电磁干扰END Endurance 续航时间，强度ENG Engine 发动机EO Engine Out, Engineering Order 发动机熄火，工程指令EOSID Engine Out Standard Instrument Departure 发动机停车标准仪表离港EOT End of Tape 磁带末端EPC External Power Contactor 外部电源接触器EPR Engine Pressure Ratio 发动机压力比EPROM Erasable Programmable Read Only Memory 可擦除可编程只读存储器EPSU Emergency Power Supply Unit 应急电源组件EQPT Equipment 设备ER Extended Range 延程（飞行）ESS Essential 基本的，主要的EST Estimated 预计的ETA Estimated Time of Arrival 预计到达时间ETE Estimated Time on Route 预计航路时间ETP Equal Time Point 等时间点EVAC Evacuation 撤离EVMU Engine Vibration Monitoring Unit 发动机振动监控器EWD Engine/Warning Display 发动机/警告显示EXC Excitation, Excite 激励EXCESS Excessive 过度的，过大的EXT Exterior, External 外部的EXT PWR External Power 外电源F Fahrenheit 华氏F-PLN Flight Plan 飞行计划F/O First Officer 副驾驶FAC Flight Augmentation Computer 飞行增稳计算机FADEC Full Authority Digital Engine Control 全权数字式发动机控制FAIL Failed, Failure 失效FAP Forward Attendant Panel 前乘务员面板FAR Federal Aviation Regulation 联邦航空条例FAV Fan Air Valve 风扇空气活门FB Feed Back 反馈FBS Fixed Base Simulator 固定模拟机FC Fully Closed 全关闭FCC Flight Control Computer 飞行控制计算机FCDC Flight Control Data Concentrator 飞行控制数据集中器FCMC Fuel Control and Monitoring Computer 燃油控制和监控计算机FCMS Fuel Control Monitoring System 燃油控制监控系统FCOM Flight Crew Operating Manual 飞行机组使用手册FCPC Flight Control Primary Computer 主飞行控制计算机FCSC Flight Control Secondary Computer 辅助飞行控制计算机FCU Flight Control Unit 飞行控制组件FCU Flush Control Unit 冲水控制组件FCV Flow Control Valve 流量控制活门FD Flight Director 飞行指引FDBK Feedback 反馈FDIU Flight Data Interface Unit 飞行数据接口组件FDU Fire Detection Unit 火警探测组件FE Flight Envelope 飞行包络FF Fuel Flow 燃油流量FFS Full Flight Simulator 全动模拟机FG Flight Guidance 飞行制导，飞行指引FIDS Fault Isolation and Detection System 故障隔离和探测系统FIFO First Input / First Output 第一输入/第一输出FIG Figure 图FIM Fault Isolation Manual 故障隔离手册FIN Function Item Number 功能项目号FL Flight Level 飞行高度层FLEX Flexible 灵活的，软的FLP Flap 襟翼FLSCU Fuel Level Sensor Control Unit 油面高度传感控制组件FLT Flight 飞行FM Flight Manual 飞行手册FMA Flight Mode Annunciator 飞行方式指示器FMC Flight Management Computer 飞行管理计算机FMGC Flight Management Guidance Computer 飞行管理指引计算机FMGEC Flight Management Guidance andEnvelope Computer 飞行管理指引和包络计算机FMGES Flight Management Guidance andEnvelope System 飞行管理指引和包络系统FMGS Flight Management and Guidance System 飞行管理和指引系统FMS Flight Management System 飞行管理系统FMV Fuel Metering Valve 燃油计量活门FO Fully Open 全开FOB Fuel On Board 机载燃油量FOC Fuel Oil Cooler, Free Of Charge 燃油滑油冷却器，免费FPA Flight Path Angle 飞行路径角FPEEPMS Floor Proximity Emergency EscapePath Marking System 临近地板紧急撤离通道标志系统FPPU Feedback Position Pick-off Unit 反馈位置传感组件FPV Flight Path Vector 飞行路径矢量FQ Fuel Quantity 燃油量FQI Fuel Quantity Indicating / Indication / Indicator 燃油量指示（器）FQU Fuel Quantity Unit 燃油量组件FR Frame 机身，帧FREQ Frequency 频率FRM Fault Reporting Manual 故障报告手册FRU Frequency Reference Unit 频率基准组件FRV Fuel Return Valve 燃油回油活门FSB Fasten Seat Belts 系好安全带FT Foot, Feet 英尺FW Failure Warning 失效警告FWC Flight Warning Computer 飞行警告计算机FWD Forward 前FWS Flight Warning System 飞行警告系统G Green 绿（色）G/S Glide Slope 下滑道GA Go-Around 复飞GALY Galley 厨房GCR Generator Control Relay 发电机控制继电器GCU Generator Control Unit 发电机控制组件GEN Generator 发电机GLC Generator Line Contactor 发电机馈电线接触器GLR Generator Line Relay 发电机馈电线继电器GMT Greenwich Mean Time 格林威治时间GND Ground 地面，接地GPCU Ground Power Control Unit 地面电源控制组件GPS Global Positioning System 全球定位系统GPU Ground Power Unit 地面电源车（组件）GPWC Ground Proximity Warning Computer 近地警告计算机GPWS Ground Proximity Warning System 近地警告系统GRP Geographic Reference Point 地理参考点GRU Ground Refrigeration Unit 地面致冷组件GS Ground Speed 地速GSE Ground Support Equipment 地面支援 设备GW Gross Weight 全重H Hot (Electrical Point), Hour 热，小时HCU Hydraulic Control Unit 液压控制组件HDG Heading 航向HEGS Hydraulic Electrical Generating System 液压发电系统HF High Frequency 高频HI High 高HLAC High Level Alternating Current Voltage 高压交流电HLDC High Level Direct Current Voltage 高压直流电HMU Hydromechanical Unit 液压机械组件HP High Pressure 高压HPC High Pressure Compressor 高压压气机HPT High Pressure Turbine 高压涡轮HPTACC High Pressure Turbine Active Clearance Control 高压涡轮主动间隙控制HS High Speed 高速HSI Horizontal Situation Indicator 水平位置指示器HSMU Hydraulic System Monitoring Unit 液压系统监控组件HUD Head Up Display 平视显示HUDC Head Up Display Computer 平视显示计算机HYD Hydraulic 液压I/O Input /Output 输入/输出I/P Intercept Profile 切入面I/P Input 输入IAE International Aero Engines 国际航空发动机公司IAS Indicated Airspeed 指示空速ICAO International Civil Aviation Organisation 国际民航组织IDENT Identification, Indentifier, Identity 识别IDG Integrated Drive Generator 整体驱动发电机IFR Instrument Flight Rules 仪表飞行规章IGB Inlet Gear Box 进口齿轮箱IGN Ignition 点火IGV Inlet Guide Vane 进口导向叶片ILS Instrument Landing System (LOC and G/S) 仪表着陆系统（航向道和下滑道）IMM Immediate 立即IN Inch 英寸INB Inbound 入港的，归航的INBD Inboard 内侧的INCR Increment 增加，增量IND Indicator 指示器INFO Information 信息INHIB Inhibition, Inhibit, Inhibited 抑制，抑制的INIT Initial(ization) 起始INOP Inoperative 不工作INR Inner 内INST Instrument 仪表INT Interrupt 中断INTCP Intercept 切入INTFC Interface 接口INTL Internal 内部的INTRG Interrogate, Interrogator 询问，询问机INV Inverter 变流机，转换器IP Intermediate Pressure 中压IPC Illustrated Parts Catalog, IntermediatePressure Check Valve 图解零件目录，中压单向活门IPPU Instrumentation Position Pick-off Unit 设备位置传感组件IR Inertial Reference 惯性基准IRS Inertial Reference System 惯性基准系统ISA International Standard Atmosphere 国际标准大气ISIS Integrated Standby Instrument System 综合备用仪表系统ISO International Standardization Organization 国际标准化组织ISOL Isolation 隔离IVS Inertial Vertical Speed 惯性垂直速度JAM Jammed, Jamming 卡阻JAR Joint Airworthiness Requirements 联合适航条例KG Kilogram 千克，公斤KT Knot 节，海里/小时L Left 左L Length 长度L/G Landing Gear 起落架LA Linear Accelerometer 线性加速度计LAF Load Alleviation Function 机翼卸载功能LAT Lateral 横向的LAT Latitude 纬度LAV Lavatory 厕所LBP Left Bottom Plug 左下部插头LCD Liquid Crystal Display 液晶显示器LCIT Load Compressor Inlet Temperature 负载压缩机进口温度LDG Landing 着陆LE Leading Edge 前缘LED Light Emitting Diode 发光二极管LEP List of Effective Pages 有效页清单LGCIU Landing Gear Control and Interface Unit 起落架控制和接口组件LH Left Hand 左侧LIM Limit, Limitation, Limiting, Limiter 限制，限制器LKD Locked 锁定的LL Lat / Long 经纬度LLDC Low Level Direct Current Voltage 低直流电压LMP Left Middle Plug 左中部插头LMS Leakage Measurement System 泄漏测量系统LNG Long 长的LO Low 低LOC Localizer 航向道LONG Longitude 经度LONGN Longeron 梁LOP Low Oil Pressure 低滑油压力LO PR Low Pressure 低压LP Low Pressure 低压LPT Low Pressure Turbine 低压涡轮LPTACC Low Pressure Turbine Active Clearance Control 低压涡轮主动间隙控制LRRA Low Range Radio Altimeter 无线电小高度表LRU Line Replaceable Unit 航线可更换件LS Loudspeaker 扬声器，喇叭LSB Least Significant Bit 最低有效位LSI Large Scale Integration 大规模集成电路LT Light 灯LTP Left Top Plug 左上部插头LV Low Voltage 低电压LVDT Linear Variable Differential Transducer 线性可变差动传感器LVL Level 高度层，量，（液面）高度，等级LW Landing Weight 着陆重量LWR Lower 下M Magenta, Mach, Meter 洋红色，马赫，米MAC Mean Aerodynamic Chord 平均空气动力弦MAG Magnetic 磁的MAINT Maintenance 维护MAN Manual 人工，手册MAX Maximum 最大的MB Millibar 毫巴MCDU Multipurpose Control & Display Unit 多功能控制显示组件MCL Maximum Climb 最大爬升MCT Maximum Continuous Thrust 最大持续推力MCU Modular Concept Unit 模数概念组件MDA Minimum Descent Altitude 最低下降高度MDDU Multipurpose Disk Drive Unit 多功能磁盘驱动器MECH Mechanic, Mechanical, Mechanism 机械员，机械的，机构MED Medium 中MEL Minimum Equipment List 最低设备清单MES Main Engine Start 主发动机起动MI Magnetic Indicator 磁指示器MIC Microphone 麦克风MICBAC Micro-System Bus Access Channel 微系统总线存取通道MID Middle 中间的MIN Minimum 最小的，最低的MISC Miscellaneous 杂项MKR Marker (radio) Beacon 无线电指点信标MLA Maneuver Load Alleviation 机动负载减缓MLG Main Landing Gear 主起落架MLI Magnetic Level Indicator 磁场强度指示器MLS Microwave Landing System 微波着陆系统MLW Maximum Design Landing Weight 最大设计着陆重量MMEL Master Minimum Equipment List 主最低设备清单MMO Maximum Operating Mach 最大使用马赫数MN Minute 分钟MNPS Minimum Navigation Performance Specification 最低导航性能规范MODLTR Modulator 调制器，调节器MON Monitor, Monitoring, Monitored 监控，监控的MORA Minimum Off Route Altitude 最小偏离航道高度MOT Motor, Motorized 马达，马达驱动的MPD Maintenance Planning Document 维护计划手册MRW Maximum Ramp Weight 最大机坪重量MSA Minimum Safe Altitude 最低安全高度MSB Most Significant Bit 最高有效位MSG Message 信息MSL Mean Sea Level 平均海平面高度MSU Mode Selector Unit (IRS) 方式选择组件（惯性基准系统）MSW Microswitch 微动电门MTBF Mean Time Between Failure 平均无故障时间MTBUR Mean Time Between Unscheduled Removals 平均非计划拆卸时间MTG Mounting 安装，装置MTO Maximum Take-Off 最大起飞MTOGW Maximum Takeoff Gross Weight 最大起飞全重MTOW Maximum Takeoff Weight 最大起飞重量MU Management Unit 管理组件MUX Multiplex, Multiplexer 多路，多路调制器MVT Movement 运动，移动MZFW Maximum Design Zero Fuel Weight 最大设计零燃油重量N Normal, North 正常的，北N/A Not Applicable 不适用N/P Next Page 下页N/W Nose Wheel 前轮N/WS Nose Wheel Steering 前轮转弯NAC Nacelle 吊舱NAS Navy and Army Standard 海军和陆军标准NAV Navigation 导航NAVAID Navigation Aid 助航台NBPT No Break Power Transfer 不间断电源转换NC Normally Closed 正常关闭NCD No Computed Data 无计算数据ND Navigation Display 导航显示器NDB Non-Directional Beacon 无向信标NEG Negative 负NLG Nose Landing Gear 前起落架NM Nautical Mile 海里NMI Non Maskable Interrupt 非掩蔽中断No Number 号码NO Normally Open 正常打开NO Normal Operation in SSM 符号状态矩阵正常工作NORM Normal 正常的NS No Smoking 禁止吸烟NVM Non-Volatile Memory 非易失存储器N1 Low Pressure Rotor Speed 低压转子转速N2 High Pressure Rotor Speed 高压转子转速O Open 打开，断开O/P Output 输出OAT Outside Air Temperature 外界温度OBRM On Board Replaceable Module 机上可更换装置OC Open Circuit 断路OC Overcurrent 电流过大OF Overfrequency 频率过高OFF/R Off Reset 关断复位OFST Offset 补偿，偏移，分支OGV Outlet Guide Vane 出口导向叶片OHU Optical Head Unit 光度头组件OIT Oil Inlet Temperature 滑油进口温度OK Correct 正确OMS Onb