1.
double-block and bleed assembly
双止回装置和放气设施
2.
check-valve mounting bracket
止回阀(装置)托架
3.
Watts Air Gap Drains are designed to collect water that is being discharged by the relief valve, due to minor check valve fouling and/ or line pressure fluctuations.
美国瓦茨气隙排放装置适用于收集由于第二止回阀污染和/管道压力波动而从安全阀排放出来的水。
4.
Design of RAR tail gas treatment unit for a large sulfur recovery plant
大型硫回收及RAR尾气处理装置的设计
5.
Design of control system of oil and gas recycle and treatment equipment by membrane method
膜法油气回收处理装置控制系统设计
6.
Problems Analysis and Countermeasures of SO_2 over Standard Emission in Sulfur Recovery Unit
硫磺回收装置SO_2排放超标原因分析及改进措施
7.
Classification of locations for electrical installations at petroleum facilities
石油设施电气装置场所分类
8.
a workman who installs and repairs gas fixtures and appliances.
安装和修理煤气设备和装置的工人。
9.
Design of A Device for Testing the Static Characteristics of Aerostatic Thrust Bearing
空气静压止推轴承静态性能测试装置设计
10.
Watts dual check valves may be installed in either a vertical or a horizontal position.
美国瓦茨双止回阀可以安装在垂直或水平位置上。
11.
Discussion on Installation of CO Detector on External Gallery of Gasholder
煤气储气罐外部回廊设一氧化碳检测装置探讨
12.
Modify the volume and advanced performance settings for the voice playback device or the voice recording device that you have selected.
为该声音回放设置或您选择的录音设置修改音量和播放设置。
13.
The check seats are attached to the cage with a bayonet type locking arrangement.
止回笼上的止回阀座配置一个卡口型锁定装置。
14.
Process Analysis of Recovery of Hydrogen in Purge Gas from Gas-to-Liquid Plant by Membrane Separation
膜法回收天然气制合成油装置弛放气中氢气的流程分析
15.
To be equipped with automatic emptying devices and it can eliminate air quickly and prevent air blocking and steam locking.
装有自动排空装置，能够迅速排除空气，防止气堵和汽锁。
16.
Return the electrode assembly to the constant temperature bath.
将电极装置放回恒温水
17.
Designs of Charge and Discharge Circuit Systems in Underwater Sparker Acoustic Equipment;
水下电火花声源装置中充放电回路系统的设计
18.
dual tubing wellhead
双油管采气井口装置