The entrance of refrigerant into the evaporator is controlled by a valve or an orifice.
进入蒸发器的制冷剂由一个阀或量孔控制。
The contact and the gas valve are controlled by phototriac and triac.
用光耦和双向晶闸管控制接触器和电磁阀。
The operating principle, structure and advantages of dual controlled gas constant pressure valve are analyzed.
分析了双控燃气稳压阀的工作原理、结构和优点。
The pressure of scraper is controlled by the air pressure adjusting valve.
配套气压调节阀，控制刮印刀的压力。
The pump and valve are accurately controlled by PLC.
PLC对油泵和电液阀的闭环控制达到精确发油。
Automatic pressure boosting system: The pressure inside can be controlled by automatic pressure adjusting valve.
自动增压系统：罐内压力由自动压力调节阀控制。
Automatic pressure boosting system: The pressure inside can be controlled by automatic pressure adjusting valve.
自动增压系统：罐内压力由自动压力调节阀控制。
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