1.
long-stroke hydraulic snubbing unit
长行程液压不压井起下作业装置
2.
short stroke snubbing unit
短行程不压井起下作业装置
3.
Application of the blowout control snubbing tool in Changqing Oilfield
不压井防喷带压作业装置在长庆油田的应用
4.
hydraulic roll screwdown
液压式轧辊压下装置
5.
Development of the YJSY-GD-1 pressure test device applied in workover operations
修井作业用YJSY-GD-1型试压装置的研制
6.
Research on Docking Device for Hydraulic Pipeline of ROV and Underwater Operating Machinery
ROV与水下作业机具液压管路对接装置的研究
7.
Design of Annular Rubber Seal for the Oil-Water Well Device Under Pressure Operation
油水井带压作业装置中环形密封胶芯的设计
8.
Fault Simulation of Hydraulic System of a Certain Armored Recovery Vehicle
某型坦克抢救车作业装置液压系统故障仿真
9.
hydraulic efficiency shifter unit
液压移动装置液压切换装置
10.
Design Study on the Hydraulic Excavator's Attachment and Hydraulic System;
液压挖掘机工作装置与液压系统设计的研究
11.
One that impels, as a rotating device used to force a fluid in a desired direction under pressure.
推动器用来使液体在压力下按需要的方向流动的旋转装置，可以起推动作用的东西
12.
Function Study and Application on High Voltage Liquid Soft Starter under Grid of Gas-Fired Generating Group
高压液态软起动装置在燃气发电机组电网下的功能研究与应用
13.
Experience with automtoive/aeronautical hydraulics hardware (plumbing, valving, transducers, etc.) If at all possible this person should understand hydraulics and how DA systems that collect data from hydraulic systems as much as possible.
有汽车或航空业液压硬件相关工作经验（如管道工程，阀门装设或传感器配置等）。
14.
The CAD/CAM Research for Backhoe Mechanism of Hydraulic Excavator;
液压挖掘机反铲工作装置的CAD/CAM研究
15.
Hydraulic excavator working device model of the conceptual design
液压挖掘机工作装置的概念设计模型
16.
Research on Trajectory Implementation of Hydraulic Excavator's Working Device
液压挖掘机工作装置的轨迹实现研究
17.
liquid cooling unit, compression-type, industrial
液体冷却装置,压缩型工业用
18.
A Low-voltage Alarm Device for Service Interruption of Power Supply Substation Underground Coal Mine
一种煤矿井下变电所低压停电报警装置