... 压力容器；压力槽 pressure vessel 压力控制继电器 pressure-control relay 压力控制阀 pressure-controlled valve ...
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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。
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.
在87系列增压器体积比继电器用于放大压力或远程压力控制-气缸驱动或离合器和制动器控制完善。
The 87 Series Ratio Relay Volume Boosters are used to amplify pressure or for remote pressure control - perfect for cylinder actuation or clutch and brake control.
示范90低压91高压模型选择继电器的设计选择较低或两个信号的压力较高，以提供持续的输出压力的控制装置。
The Model 90 low pressure and Model 91 high pressure Selector Relays are designed to select the lower or higher of two signal pressures to provide a continuous output pressure to a control device.
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