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 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。
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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