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Lay down top drive system spinner. 拆下顶部驱动的旋扣器。
A series of advanced technologies are applied,e.g.,DC electric rig,stepless speed regulation pump and top drive system,steerable drilling system,powerful downhole motor,and advanced drill bit. 该井采用了直流电动钻机、无级调速泵及顶部驱动装置、导向钻井系统、大功率优质马达、优质钻头等一系列先进工艺，经科学论证与施工，取得了满意的效果。
Keywords casing drilling;top drive system;BOP;kick;blowout; 套管钻井;顶部驱动装置;防喷器;井涌;井喷;
FLAP ALTERNATE DRIVE SYSTEM CIRCUIT. 襟翼备用驱动系统电路。
L-line series adopting linear drive system. 采用直线驱动机构的L-line系列。
Fly-Drive transaxle rear wheel drive system. 粉煤灰驱动桥后轮驱动系统。
Model DQ70BS top drive drilling system (TDDS)is developed based on Model DQ60D and Model DQ60P DC TDDS and Model DQ20Y hydraulic TDDS. 摘要在DQ60D、DQ60P直流电顶驱和DQ20Y液压顶驱的基础上，研制了DQ70BS交流变频顶部驱动钻井装置。
ECB Magnetic Brake System, Poly-V solid ribbed belt drive system. ECB磁控阻力系统,Poly-V传动带。
YG-30 drilling rig is a full hydraulic operated top drive power head drill. 型工程钻机为全液压驱动动力头式钻机。
Type DJJ1high-speed EMU uses advanced AC drive system of the world. 在广深铁路已投入商业运营的DJJ1型高速交流传动高速电动车组采用了世界先进水平的交流传动系统。
Motor vibration is a familiar phenomenon in DC drive system. 电机振动是直流传动系统中的一种常见现象。
Surrounding the topic of technology on Virtual Prototype(VP) and Product Data Management(PDM), this paper studies the relational theory and technology about the VP and PDM of the Top Drive Drilling System(TDS), then develops and carries out it. 本文紧紧围绕虚拟样机(Virtual Prototype,VP)技术和产品数据管理(PDM)技术这一主题,对石油顶驱钻机虚拟样机原型系统和PDM系统所涉及的相关理论和技术进行了研究和应用实践。
Analysis and Simulation Research of AC Drive System for Shanghai Metro Line No. 上海地铁二号线交流传动系统的分析与仿真研究。
top drive system 顶部驱动装置
The two major components are: a mechanical drive system and an optical system. 两个主要部件为：一是机械传动系统，另一个部件为光学系统。
Papermaking produce line DC drive system, frequency conversinon drive system. 造纸生产线直流传动系统、变频传动系统。
Full ball bearings throughout for maximum efficiency through the drive system. 充分球轴承在整个为最高的效率，通过驱动系统。
If the rig is equipped with a top drive, the Driller activates the linktilt towards the joint in the mouse hole and the Floormen latch the elevators. 如果钻机配备了顶驱，司钻打前伸按钮使吊卡靠近小鼠洞中的单根，钻工扣上吊卡。
Use your drill with cluth or our Heavy Duty Rotary Drive System below. 使用电钻或旋转驱动系统。
Top drive machines have moveable product bowls that are positioned and lifted to achieve an acceptable seal with a stationary lid/drive unit. 顶端驱动机器配有活动的生产碗，配置好的碗定位进而抬起后即可与固定的盖/驱动单元合紧，达到可接受的紧封程度。