1.
The lower stem is encased in a spring which forces the stem away from the seat when the valve is opened.
下阀杆包裹在一个弹簧内部，当阀门开启时，弹簧迫使阀杆离开阀座。
2.
When the handwheel is rotated toward the open position the upper stem is moved away from the diaphragms allowing the spring to push the lower stem away from the seat.
当手轮象开启位置旋转时，上阀杆离开横膈膜，弹簧推动下阀杆离开阀座。
3.
The end flaps of the elastomeric seat should be flexed downward toward the valve I.D. as the body halves are being separated.
当阀体分开时，弹性阀体阀座的边缘应该朝向阀门内径弯曲。
4.
Then as the plug valve is lifted off its seats, any accumulation below the plug or on the seats will be blown back into the line.
然后，当旋塞阀升离阀座时，任何累积在阀塞或阀座上的吹入物质都将被吹回到管路内。
5.
The assembly shall also include two resilient seated isolation valves, four top-mounted resilient seated test cocks and an air gap drain fitting.
这种总成应该包括两个弹性阀座隔离阀，四个顶部安装弹性阀座测试旋塞和一个气隙排放接头。
6.
Slowly pull the assembly outward to open check allowing exposure of the seat and clapper contact area for cleaning.
慢慢将止回阀往外拉，打开止回阀，使得阀座和阀瓣接触面暴露出来便于清洗。
7.
Edmund left the seat likewise.
埃德蒙也离开了座位。
8.
I wanted to leave this lonely place,
我想离开这座孤岛，
9.
"In the fully open "back seated"position, the stem threads are protected from the circulation of flow media."
在完全开启的"后阀座"状态下,阀杆螺纹能够避免与流体介质接触。
10.
The lower stem is physically pulled away from the seat instead of being lifted away by the spring.
下阀杆是被从阀座上物理地推开，而不是被弹簧举起来。
11.
safety valve dome
安全阀汽包，安全阀座
12.
"Quick 90open/close, not torque-dependent for seating"
快速90°回转开启/关闭,扭矩与阀座密封无关
13.
Fracture Analysis of Stub on Superheater Safety Valve for Power Plant
热电厂高温过热器联箱安全阀接管座开裂分析
14.
All valve seats and seat discs shall be replaceable.
所有阀门阀座和阀座阀瓣应该是可更换的。
15.
valve seater
阀座修整刀具, 阀座(加工)刀具
16.
Remove the pressed in relief valve seat and seat O-ring.
拆卸压进去的安全阀阀座和阀座O形环。
17.
To replace seat/ stem module shut off supply, loosen locknut and back off adjusting screw.
要更换阀座/杆模块，先关闭供应管道，松开锁紧螺母，退出调节螺丝。
18.
Why did he steal away from his seat while Susan was singing?
苏珊唱歌时他为什么偷偷离开了座位？