1.
piston displacement prover
活塞置换式检定装置
2.
marine piston type condensing unit
船用活塞式冷凝装置
3.
free piston gas turbine plant
自由活塞式燃气轮机装置
4.
intermittent automatic block
间歇式自动闭塞装置
5.
axial piston transmission
轴向柱塞式传动装置
6.
parallel ram steering gear
并列柱塞式操舵装置
7.
Digital Watt-hour metering system and verification equipment
数字式电能计量系统及检定装置设计
8.
Examine the plunger joint ring of electric hydraulic draw stem and pneumatic draw stem in order to ensure the normal operation of transmission device.
定期检查电液推杆、气动推杆的活塞密封圈，以保证传动装置正常运行。
9.
continuous belt ion exchange system
连续带式离子交换装置
10.
double-opposed ram steering gear
双列对置柱塞式操舵装置
11.
Research on the Precise Positioning of Calibrating Apparatus of the Portable Four-Wheel Aligner;
便携式四轮定位仪检定装置的精确定位研究
12.
master meter prover
标准流量计检定装置
13.
BT-calibration installation
深温计/BT检定装置
14.
sonic nozzle flow prover
声速喷嘴流量检定装置
15.
STD-calibrating installatio
温盐深（STD）检定装置
16.
bottom-supported mobile rig
坐底式活动钻井装置
17.
hitch mechanism
连结装置，换结装置
18.
dilution air plant
换风装置空气供给装置