1.
subsurface controlled subsurface safety valve
井下控制井下安全阀
2.
surface controlled subsurface safety valve
地面控制井下安全阀
3.
Recommended method for design, installation, repair and operation of subsurface safety valve system
井下安全阀系统的设计、安装、修理和操作的推荐做法
4.
Recommended practice for design, installation, repair and operation on subsurface safety valve system
井下安全阀系统的设计、安装、修理和操作的推荐作法
5.
Wellhead surface safety valves and underwater safety valves for offshore service
海上用井口上部安全阀和水下安全阀规范
6.
a safety, exhaust valve
安全阀、 排气阀.
7.
The relief valve should be able to be removed by unscrewing the relief valve from the housing.
通过从外壳上旋下安全阀应该能够拆卸安全阀。
8.
Development of Downhole Control Valve for Entire Underbanlanced Operation
全过程欠平衡作业用井下控制阀研制
9.
safety valve dome
安全阀汽包，安全阀座
10.
Remove the relief valve hose from fitting below inlet ball valve.
从进口球阀下面连接件拆卸安全阀软管。
11.
discharge from safety and relief valves
由安全阀和泄压阀泄放
12.
This is a gate valve (check valve, butterfly valve, cut-off valve, magnetic valve, remote valve, relief valve, throttle valve, cock).
这是一个闸阀（止回阀、蝶阀、切断阀、电磁阀、遥控阀、安全阀、节流阀、旋塞）。
13.
Remove the relief valve cover, stem/diaphragm assembly, and relief valve spring.
拆卸安全阀阀盖，阀杆/隔膜总成，和安全阀弹簧。
14.
Remove the relief valve cover bolts while holding the cover down.
边压住阀盖，边拆卸安全阀阀盖螺栓。
15.
"The discharge line must be the same size as the valve outlet, and must pitch downward from the valve to a safe place for disposal."
排泄管道必须与安全阀出口具有相同的口径,必须从安全阀的下方接到安全排放地点。
16.
The disc can be cleaned without disassembly or the relief valve module.
阀瓣可以在不拆卸安全阀模块的情况下进行清洗。
17.
To replace the relief valve disc, hold the upper guide fin and unscrew the diaphragm pressure plate.
要更换安全阀阀瓣，握住上部引导翼，旋下隔膜压力板上的螺丝。
18.
Helmets were dished out before the miners went underground
下井之前，给矿工们分发了安全帽。