... air pressure regulator 气压调节器 air pressure relay 气压继电器 air pressure switch 气压开关 ...
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Air pressure relay valve 气压继动阀 ; 大气的压力继动阀
Air pressure relay ale 气压继动阀
air r pressure relay 气压继电器
The mounted location of high-pressure safty valve and the connecting position of the control air pipe of air pressure relay of JZ-7 brake system are analysed.
对重联机车中JZ 7型制动机系统的高压安全阀的安装位置及打风压力继电器（调压器）控制风管的连接位置进行了分析、讨论，指出了现有机车中设计、制造上存在的缺陷，并在实际运用中进行了改造。
An air pressure regulating relay is arranged in a circuit in the cabinet to cut the circuit in time when air leak happens in the cabinet body to make the air pressure in the cabinet too low.
柜内的电路中还装有气体压力调节继电器，以便在柜体漏气造成其内气压过低时及时切断电路。
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