阀位上限幅值和阀位上限幅值设定。
Valve position high limit and valve position low limit setting.
电磁阀、手轮机构、阀位开关、空气过滤减压器等。
Solenoid valve, hand wheel, valve position switch, air filter regulator and so on.
该系统包括给水泵控制、调节阀阀位控制以及安全保护和报警。
The system consists of feedwater pump control, adjusting valve level control, safety and alarm devices.
记得是有一位朋友说过，倾诉是人的减压阀。
Remember it was a friend of mine said that talk is a relief valve.
二位五通换向阀即可控制其工做。
阿二位四通阀是所必需的操作。
阿二位四通阀是所必需的操作。
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