石油英语d5.doc

石油英语词汇(D5)dk 黑色dk 甲板dk 十dkg. 十克dkl. 十升dkm. 十米DL 测井深度DL 分界线dl 分升DL 基准面DL 静重DL 日工DL 直接寄存DLC 数据链路控制DLC 数字逻辑电路DLE 数据通信换码DLIM 密度界限值DLL 设计极限载荷DLL 双侧向测井DLOS 外出潜水器DLS 狗腿严重度DLS 计算机控制测井系统DLT 双侧向测井仪DLWD 随钻测井DM bit 带蹼牙轮钻头DM Raydist 椭圆距离测量系统DM 吃水力的平均值DM 德国马克DM 定差调制DM 驱动电磁铁DM 设计手册DM 数字调节dm. 分米DMA 直接存储器存取DMAC 直接存储器存取通道DMC 数字微型电路DME airborne antenna 测距装置机载天线DME ground beacon antenna 测距装置地面信标天线DME 测距装置DME 滴汞电极DMEA 国防矿产勘探管理局DMF 二甲基甲酰胺dmg 损伤DMI 直接存储器接口DML 数据操作语言dmm 丝米DMO correction 倾角时差校正DMO 倾角时差DMPX 解编器DMRT 记录到最高温度的深度DMS 钻井泥浆表面活性剂DMT 对苯二甲酸二甲酯DMU 数据调制-解调单元DMV 差模电压DMW 去矿质的水DMWD 定向井随钻测量dN 分奈DNA 脱氧核糖核酸dnd 水淹的DNLL 双探测器中子寿命测井DNMO 差值正常时差DNMR 动态核磁共振DNT 二硝基甲苯DNV 挪威船级社Do statement 循环语句DO 溶解氧DO 深度偏差DO 钻出do. 同前do. 钻出dobie 裸露药包DOC 柴油水泥DOC 溶解有机碳DOC 最佳数据计算机docility 易处理dock and harbour 港湾dock basin 港池Dock Board 港务局dock charge 码头费dock floor 坞底dock price 码头价dock quay 临坞岸壁；码头dock railway sidings 临港铁路侧线dock road 临港公路dock sill 坞槛dock trial 系泊试验dock wharf 港池码头dock 码头dock-line system 码头选择系统dockage 码头费docker 船坞工人docket 记事表docking keel 坐坞龙骨docking trial 系泊试验docking 入船坞；停靠dockyard 船舶修造厂docosane 二十二烷docosanoic acid 二十二烷酸doctor bar 调厚闩doctor blade 刮片doctor knife 刮刀doctor negative 低硫的doctor positive 高硫的doctor roll 调厚辊doctor solution 试硫液doctor sweet 脱除硫醇的石油产品doctor test 检硫醇试验doctor treatment 亚铅酸钠精制doctor 医生；博士doctorate 博士头衔document against payment 付款交单document location 文件位置document paper 公文纸document retrieval 文件检索document 文件documentary acceptance 跟单承兑documentary credit 跟单信用证documentary draft 跟单汇票documentary evidence 文字证明documentary remittance 跟单汇兑documentary 记录影片；公文的documentation 文件的提供documented evidence 经文件证明的证据documentor 资料程序documents against acceptance 承兑交单documents against payment 付款交单docuterm 检索字dodar 导达dodec- 十二dodecagon 十二角形dodecahedral stone 十二面体金刚石dodecahedron 十二面体dodecahydrotriphenanthrene 十二氢化三菲dodecane 十二烷dodecanol 十二烷醇dodecastyle 十二柱式dodecatylene 十二烯dodecene 十二烯dodecyl benzene sulfonate 十二烷基苯磺酸盐dodecyl benzene 十二烷基苯dodecyl dimethylbenzyl ammonium naphthenate 环烷酸十二烷基二甲苯铵dodecyl mercaptans 十二烷硫醇dodecyl salicylate 水杨酸十二酯dodecyl succinic anhydride 十二烷基琥珀酸酐dodecyl 十二基dodecylbenzene sulfonic acid 十二烷基苯磺酸dodecylene 十二碳烯dodecyne 十二炔dodging 遮光；音调改变DOE 能源部DOEBC 能源部巴特尔斯维尔能源技术中心DOEIA 美国能源部国际事务助理秘书处DOEMA 美国能源部行政管理助理秘书处DOESERI 美国能源部太阳能研究所dofemic 多铁镁质doff 落纱；落卷；落筒；落绞；落轴doffing and donning device 落纱插管装置doffing truck 推纱车doffing tube 引纱管dog catch 阻挡器dog chain 爪链dog clutch 爪形离合器；犬牙式接合dog collar 爪环dog coupling 爪形离合器dog course 追踪航线dog iron 铁钩dog pipe 提管dog segment 止块dog shift 夜班dog skin 狗皮斑dog type overshot 掣子式打捞筒dog wrench 长把管钳dog 狗；轧头；挡块dogs-head 大卵石dog-eye 精密的检查dog-leg circle 狗腿圆dog-leg jar 狗腿振击器dog-leg path 折线射径dog-leg severity 狗腿严重度dog-leg spool piece 折线形法兰联接短管段dog-legged strike-slip fault 折线形走向滑动断层dog-legging 出狗腿dog-type coupling 栓销连接器Dogger 道格统doghouse computer 仪器车上的计算机doghouse dope 油矿活动消息；测井资料；油矿闲话doghouse 高频高压电源屏蔽罩；调谐箱；炉头喷气口；原料预热室；仪器车；移动式井场值班房dogleg angle 狗腿角dogleg bend 狗腿状弯曲dogleg control program 狗腿控制程序dogleg graben 折曲地堑dogleg normal fault 折曲正断层dogleg 狗腿；管接口有折角；管沟走向偏移；弯曲的井架腿；转折DOI 内务部doings 行动dol 白云石dol. 元dolarenaceous 砂屑白云岩状dolarenite 砂屑白云岩DOLARS 多普勒定位与测距系统doldrums 赤道无风带dolerite 粒玄岩dolerite-wacke 粒玄质瓦克砂岩doleritic texture 粒玄结构Dolgellian 道尔吉里阶dolina 落水洞doline =dolinadolinen doline的复数Doliognathus 道力颚牙形石属Doliolina 瓜形NFDA3属dollar oil 美元石油dollar 元；元Dollarhide-Hall method 一种初期动滤失测定法dolly wrench 吊卡管抓dolly 铆顶；钉头型；捣棒；辘车dolly-mounted jack 移动式顶管机Dollymae 多利牙形石属doloarenite 砂屑白云岩dolocast 白云石铸型dolocastic chert 白云石假晶燧石dolocastic 白云石铸型的dolocasts 白云石假晶燧石doloclast 白云岩屑dololithite 碎屑白云岩dololutite 泥屑白云岩dolomicrite 泥晶白云岩dolomite dyke 白云岩脉dolomite lens 白云岩透镜体dolomite limestone 白云石质灰岩dolomite mudstone 白云石质泥状灰岩dolomite reservoir 白云岩储集层dolomite rock 白云岩dolomite sand 白云石砂dolomite 白云石；白云岩dolomite-marl 白云石质泥灰岩dolomite-sandstone 白云石质砂岩dolomitic biomicrite 白云石质生物微晶灰岩dolomitic caliche 白云石质钙结岩dolomitic cement 白云石质胶结物dolomitic conglomerate 白云石质砾岩dolomitic facies 白云岩相dolomitic limestone 白云石质灰岩dolomitic mottling 白云石斑点dolomitic quartzite 白云石质石英岩dolomitic siltstone 白云石质粉砂岩dolomitic 白云岩的；白云岩化的dolomitisation 白云岩化作用dolomitite 白云岩dolomitization 白云石化作用dolomization =dolomitizationdolomized reef 白云岩化岩礁dolomold 白云石晶模；白云石穴dolomoldic chert =dolocastdolorudite 砾屑白云岩dolosiltite 粉砂屑白云岩dolosparite 亮晶白云石dolostone 白云岩dolphin type wharf 系缆桩式码头dolphin 海豚；系船柱DOM 磁化方向DOM 溶解有机质DOM 有机质成熟程度domain of convergence 收敛域domain of definition 定义域domain of function 函数域domain of instruction 指令域domain wall 畴壁domain 领土domal flank 穹隆翼部domal structure 丘状构造domal uplift 穹状隆起domal upwarping 穹状翘起domatic class 坡面组Dombrowski-Brownell number 多布罗斯基-布朗尼尔数dome fold 穹状褶皱dome head piston 圆顶活塞dome manhole 圆顶人孔dome mountain 穹形山dome of boiler 锅炉聚汽室dome pressure 汽室压力dome roof 拱顶dome seal 圆盖密封dome shaped 圆顶的；穹隆形的dome shell 汽包外壳dome structure 穹隆构造dome 圆顶dome-roof tank 拱顶罐dome-shape arch 圆拱形砂桥dome-type tank 球顶油罐domed mountain 隆起山domed nut 圆顶螺母domelike 穹形的Domerian 多麦尔阶domestic fuel 民用燃料；当地燃料；国产燃料；家用燃料domestic gas 民用煤气domestic grade 民用规格domestic kerosene 家用灯油domestic oil 国产石油domestic sale 内销domestic supply 国内供应domestic water 生活用水Domichnia 居住构造dominance matrix 优先矩阵dominance principle 优势原则dominance relation 优先关系dominant amplitude 强振幅dominant discharge 控制流量；造床流量dominant error 主要误差dominant fault 主断层dominant frequency 优势频率dominant hue 主色调dominant ingredient 主要成分dominant period 主周期dominant ratio 优势率dominant species 优势种dominant wave 优势波dominant wavelength 主波长；支配彩色的波长dominant 主因dominate 占优势dominated column 优先列dominated row 优先行dominating flow regime 主要流动类型domination 支配doming mechanism 穹窿形成机制doming 成穹dominion 统治domino 骨牌；多米诺骨牌domite 奥长粗面岩dont-care gate 自由与门Donald Duck effect 唐纳鸭效应donation letter 捐款书donation 捐赠；赠款dong 盾donkey boiler 辅助锅炉donkey engine 辅助发动机donkey hoist 辅助发动机带动的小型绞车donkey pump 小型辅助泵；蒸汽往复泵donkey 辅助泵donor impurity 施主杂质donor level 施主能级donor 给予体donor-acceptor bond 给体-受体键donor-acceptor pair spectrum 施主-受主对光谱donor-acceptor pair 施主-受主对donor-atom density 施主原子密度donut 环形donut-shaped 环形的donutron 一种可调磁控管doodle 清理doodlebug crew 地震队doodlebug 找油杆；地震检波仪；地震炮眼钻机；地震炮眼钻工doodlebugger 地震炮眼钻工；野外地球物理工作者door extractor 起门机door opener 破门器door sheet 油罐人孔盖door 门dopant 掺合剂dopatic 多石基质dope chopper 剥煤焦油沥青涂层机dope crew 绝缘班dope dyeing 纺液染色dope gang 清理管表面和涂底漆的施工班组dope header 纺丝液集合管dope heater 纺丝液加热器dope kettle 沥青锅dope machine 绝缘机dope material 绝缘材料dope matting 纺液消光dope pot 润滑油油壶dope room 喷漆间dope yard 绝缘厂dope 粘稠物；涂料；丝扣油dope-dyed fibre 纺染纤维dopebook 油井记录；测井曲线；测井记录doped crude oil 加添加剂的原油doped fuel 加防爆剂的燃料doped lubricating oil 含添加剂润滑油doper 油枪dopes for gasoline 提高汽油辛烷值的添加剂doping of gasoline 汽油乙基化doping temperature 加添加剂温度doping 掺杂质；加添加剂；上涂料DOPLOC 多普勒相位同步装置Doppelduro method 乙炔火焰表面淬火法Doppler broadening 多普勒谱线增宽Doppler count 多普勒计数Doppler curve 多普勒曲线Doppler effect 多普勒效应Doppler error 多普勒误差Doppler flowmeter 多普勒流量计Doppler frequency shift 多普勒频移Doppler indicator 多普勒指示器Doppler location and range system 多普勒定位与测距系统Doppler navigation system 多普勒导航系统Doppler radar 多普勒雷达Doppler satellite receiver 多普勒卫星信号接收器Doppler scanning 多普勒扫描Doppler scope 多普勒指示器Doppler shift 多普勒频移Doppler sonar 多普勒声呐Dopplers principle 多普勒原理Doppler-inertial integrated navigation system 多普勒-惯性组合导航系统Doppler-inertial-Loran integrated mavigation system 多普勒-惯性-劳兰组合导航系统Doppler-radar positioning 多普勒-雷达定位Doppler-sonar transducer 多普勒声呐转换器dopplerite 一种天然沥青dorag dolomite 混合白云石doran 多兰系统dorgalite 多橄玄武岩DORIS 钻井工作报告和信息系统dormant account 休眠帐户dormant scrap 报废器材dormant screw 埋头螺钉dormant spring 休眠泉；假死泉dormant state 休眠状态dormant volcano 休眠火山dormant 横梁dorsal 脊；脊的DOS 磁盘操作系统DOS 软磁盘操作系统dosage 下药；配料；剂量dosalic 多硅铝质dose build-up factor 剂量积累因子dose detector 剂量计dose equivalent rate 剂量当量率dose equivalent 剂量当量dose rate 剂量率dose 一服；剂量；部分；配药；配料；混杂；测剂量dosemic 多斑晶的dosifilm 胶片剂量计dosimeter 剂量计dosing device 配料设备dosing pump 定量泵dosing tank 投配器dosing 配料dot angel 点状亮影dot chart 重力效应透明计算图dot cycle 点循环；基本信号周期dot dash line 点划线dot density 点密度dot frequency 点频率dot grid 点网格dot image 点子象dot line 虚线dot map analysis 点图分析dot mark 点号dot matrix 点阵dot mode 点式dot of light 光点dot pattern 光点图形dot product 点积dot type 打点式DOT 方位定向工具DOT 深海技术会议DOT 深海开发技术dot 小点；小数点；相等的符号；句号；打点号；用虚线表示DOT 直接输出DOT) 运输部dot-and-dash line 点划线dot-matrix character 点矩阵字符dot-matrix printer 点阵打印机dotation 给与；添加外来原子dote 腐朽；衰老；朽木dotetracontane 四十二烷dotriacontane 三十二烷dotriacontyl 三十二烷基dotted contour 打点等值线dotted line 虚线dotted picture 点状图象dotted tone 点状色调dotter 划点器；描点器；划点工dotting signal 点信号doub. 成双的；两倍doubinary system 双二进制double acting hydraulic ram 双动式液压油缸double acting 双动的double action reciprocating pump 双作用活塞式往复泵double amplitude 倍幅double angle formula 倍角公式double barreled drilling 双筒钻井double bend 双弯头double block brake 双瓦闸double block 双轮滑车double board platform 双根架工台double bond index 双键指数double bond 双键double bottom bracket floor 双层底空心肋板double bottom tank 双层底舱double bottom 双层底double Bouguer correction 双重布格校正double box collar 双母接头钻铤double brake assist 双刹车助推器double buffer 双缓冲器double buffering 双重缓冲double bunk 双层铺double cap casing head 双顶套管头double capacitor 双联电容器double catenary riser 双悬链式立管double chambered sphere 双室球形潜水舱double check 复核double clutch 双离合器double coated electrode 双层药皮焊条double coating 双涂层double column run 双管试验double cone insert 双锥形硬合金镶齿double core barrel drill 双筒取心钻具double counting 重复计算double covalence 双共价double coverage 双重覆盖double crossover-squeeze gravel pack method 双桥分流式挤入砾石充填法double deck type of crown block 双层天车double deck 内盘固定外盘转动钻盘double declining balance method 加倍余额递减法double decomposition 复分解double dilution 双稀释法double dipole 双偶极子double dish 培养皿double displacement pump 双作用泵double draw mechanism 双牵拉装置double drawing 双区拉伸double drum drier 双转鼓干燥机；双滚筒干燥机double drum hoist 双滚筒绞车double effect 双效double electrode layer 双电层double electrovalence 双电价double ended piston 双端活塞double escape peak 双逃逸峰double esker 重叠蛇形丘double extra heavy 特加重double extra strong pipe 特高强度管子double extraction 双重抽提double fillet welded joint 双面焊缝接口double five-spot 双五点井网；五点井网中相邻的两个单元井double folding 双重褶皱作用double gate elevator 双绞链吊卡double godet machine 双导丝盘纺丝机double godet roller spinning machine 双导丝辊纺丝机double grip dual packer 双卡瓦双管封隔器double grip retrievable casing packer 双卡瓦可回收式套管封隔器double groove 双面坡口double headed spray gun 双口喷枪double hearth furnace 双膛炉double helical gear 双螺旋齿轮double hull 双壳体double integral 二重积分double iron 工字钢double island arc 双重岛弧double joint station 双焊管站double joint 双根double journey 双程double key coupling 双键联轴节double labeling 双标记double layer 双层double linkage 双键double logarithmic chart 双对数坐标图double marking 双重标志double modulation 双重调制double nuclear resonance magnetometer 双重核共振磁力仪double offset expansion U bend U形回弯补偿管double orientation 双取向double oscillograph 双线示波器double passage swivel joint 双通回转接头double peak response 双峰响应double peak 双峰double permeability model 双重渗透率模型double perthite 复纹长石double pin sub 两头阳螺纹接头double pin sucker rod 两头阳螺纹的抽油杆double pipe longitudinal finned exchanger 套管式纵向翅片管换热器double pipe 串心管double pipeline 双线double pipette 双吸移管double pitch 双螺距的；双向坡double plate rudder 双板舵double plot matching technique 双重解释图版拟合法double plunging anticline 双倾伏背斜double plunging fold 双倾伏褶皱double pole double throw 双刀双掷double pole mast 双杆轻便井架double pole single throw 双刀单掷double porosity exponent 双重孔隙度指数double porosity reservoir 双重孔隙介质储层double porosity 双重孔隙double pot gravel pack mixing unit 砾石充填双罐混砂装置double precision 双精度double predictive deconvolution 双预测反褶积double preventer 双闸板防喷器double product 双倍积double progressivedecreased balance method of depreciation 双倍余额递减折旧法double projection 双重投影double proofed connection 双保险控制装置；双保险连接double pump end pump 双泵端泵double punch 双穿孔double ram type preventer 双闸板型防喷器double reduction gear 二级减速装置double reflection pattern 双反射图形double refracting 双折射double refraction 双折射double resonance 双共振double retrograde condensation 重反转凝析double ridge 双重山脊double right shift 双倍右移位double salt 复盐double scanning 双扫描double screw extruder 双螺杆挤压机double screw extrusion machine 双螺杆挤出机double seal 双重密封double seat valve 双座阀double semilog equation 双半对数方程double service rack 两侧装卸桥台double sheave pulley 双轮滑车double shut-in assembly 双管关井总成double shut-in method 两次关井测试法double slide valve 双动滑阀double slope 两倍的斜率double solvent process 双溶剂过程double source method 双源法double spike method 双同位素指示剂法double spinneret block 双喷丝板组合体double spinning head 双丝束纺丝头double stack 双组防喷器double stage control 两级控制double sticky tape 双面胶带double streamline 双流线型double stroke 双行程double submerged arc weld 双向埋弧焊double subscript 双下标double suction pump 双吸泵double taper bit 两层镶嵌刃取心钻头double taxation 双重征税double tempering 二次回火double thread 双头螺纹double throw switch 双掷开关double throw 双掷double transmission 双波发送double traverse 双次测线double twister system 双搓捻辊装置double twister 并捻机double twisting 倍捻double type curve 双重解释图版double U groove 双面U形坡口double valve shoe 双阀管鞋double wall breakwater 双墙防波堤double word 双字double 两倍double-acting positive displacement compressor 双作用容积式压缩机double-acting pump 双作用泵double-acting rotary jar 双作用旋转震击器double-acting spring 双向弹簧double-arc 双弧double-barrel separator 双筒分离器double-base powder 双基火药double-beam cathode-ray tube 双电子束阴极射线管double-beam 双束的double-bonded hydrocarbon 双键烃类double-break switch 双刀开关double-byte character set 双字节字符集double-case meter 双壳流量计double-coated film 双面药膜底片double-coated X-ray film 双面X-射线底片double-cone bit 双牙轮钻头double-cylindered proportioning pump 双缸比例泵double-dabble 倍和法double-deck floating roof 双盘浮顶double-deck shale shaker 双层泥浆振动筛double-density recording 双密度记录double-dipole array 双偶极排列double-dipole spread 双偶极排列double-drum rope winch 双滚筒绞车double-duty kerosene 两用煤油double-duty plant 两用设备double-effect evaporator 双效蒸发器double-end bolt 双端螺栓double-end 双头的double-ended boiler 双头锅炉double-ended charge 双端装药爆炸筒double-ended clamp 双向端子double-ended spanner 双头扳手double-ended wrench 双头扳手double-entry bookkeeping system 复式记帐法double-faulted anticline 双重断错背斜double-grip large bore single string packer 双卡瓦大内孔单管封隔器double-housing planer 龙门刨床double-hulled tanker 双层船壳的油轮double-image range-finder 双象测距仪double-image telemeter 双象测距仪double-jointing machine 双管焊接机double-jointing pipe 双根钻杆double-jointing 双管焊接double-layer adsorption 双层吸附double-layer capacitance 双层电容double-layer potential 双层电势double-layer weathering 双风化层double-length accumulation 双倍长累加double-length multiplication 双倍长乘法double-length number 双倍长数double-length numeral 双倍长数double-length word 双倍长字double-length 双倍字长double-linked carbon 双键碳原子double-log 双对数double-pass tray 双流塔盘double-pin connection 双头阳螺纹接头double-pipe exchanger 套管式换热器double-pipe heat exchanger 套管换热器double-ply pump 双联抽油泵double-ply 双层的double-porosity model 双重孔隙介质模型double-porosity system 双重孔隙介质double-ported valve 双孔阀double-precision arithmetic 双精度运算double-precision computation 双精度计算double-precision number 双精度数double-precision quantity 双精度数double-pulse modulation 双脉冲调制double-row conic roller bearing 双列锥形滚柱轴承double-run 双重观测double-seal port collar 双密封带孔短接double-section filter 双节滤波器double-section turbodrill 复式涡轮钻具double-shift work 两班倒double-sideband modulation 双边带调制double-sideband transmission 双边带传输double-sided floppy 双面软磁盘double-slip casing bowl 双套卡瓦打捞筒double-stage operation 两级操作double-stage 两级的double-studded flange 双头螺栓连接的法兰double-tagging 双标记double-thrust bearing 双向止推轴承double-tilted navigation sub 双弯度导向接头double-tracer technique 双指示剂法double-tube core barrel 双筒取心筒double-tube heat exchanger 套管换热器double-tube horizontal separator 双筒卧式分离器double-tuned 双调谐的double-twist spindle 倍捻锭子double-twist twist tube 倍捻加捻管double-twisting frame 倍捻捻线机double-wall corrugated pipe 双壁波纹管double-wall drill pipe 双壁钻杆double-walled container 双壁容器double-walled cryogenic storage tank 双壁深冷储罐double-walled steel tank 双壁钢罐double-wavelength spectroscopy 双波长光谱法double-wound relay 双线圈继电器double-zoned coralla 双带型珊瑚doubleentry method of bookkeeping 复式记帐法doubler 倍增器；折叠机；倍加器；并线机doublet antenna 偶极电线doublet filter 二项滤波器doublet modulation 偶极调制doublet 成对物；偶极子；双重线；偶极天线；双重透镜；复制品doubletrack prices system 价格双轨制doubletracks system 双轨制doubling and twisting machine 并捻机doubling counter 双倍计算器doubling method 双重法doubling of frequency 倍频doubling plate 加强板；覆板doubling yard 把管子焊接成双接口管段的场地doubling 加倍；双重；重合；再蒸馏；防护板；并线doubly plunging anticline 双倾伏背斜doubly plunging fold 双倾伏褶皱doubly stochastic matrix 双随机矩阵doubly subscripted variable 双下标变量douche 冲洗；冲洗器dough deformation 柔性形变dough 膏团doughnut structure 环形构造doughnut =donutdoughnut-shaped steel plate 环形钢板Douglas sea state 道格拉斯海浪分级表Douglas-Blair-Wager method 道格拉斯-布莱尔-韦杰法douglasite 绿钾铁盐douse 浸DOV 垂线偏差Dovap 多普勒测速和测位器DOVE 倾斜层最佳速度dovetail slip 楔形卡瓦dovetail 燕尾榫；燕尾接头；用燕尾榫接合；把制成鸠尾榫；吻合dovetailer 制榫机Dow ductilometer 道氏延度计Dow Jones 30 industrial average index 道琼斯三十种工业股票指数Dow Jones Stock lndex 道琼斯股票指数Dow Jones utilities average index 道琼斯公用事业股价指数DOWB 深海作业船dowel bushing 销钉座dowel pin 定位销dowel screw 双头螺钉dowel 木钉；定缝销钉；暗销down counter 减法计数器down cup 下皮