This is sort of a pressure regulating device that maintains the pressure in the system at about twenty two hundred pounds.
这种调压机构，维持了系统里的压力，使它处于2200磅。
C. pressure regulating device into automatic pressure regulating device and its principle analysis.
将手动直流调压装置改造为自动调压装置及原理分析。
The hydraulic power motor has pressure regulating device.
液压马达具有压力调节装置。
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