The hydraulic pressure regulating valve does not work what is the reason?

液压调节阀不工作的原因是什么？

youdao

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。

youdao

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。

youdao

These valves use a screw type valve instead of a simple flap, and they have a pressure regulating mechanism that will vent water to the ground if the intake pressure exceeds a set level.

FORBES: What Do All The Controls On A Fire Engine Truck Do?

The European Parliament is strongly in favour of regulating, but is under pressure to give banks a chance to compromise.

ECONOMIST: Borders and barriers

Pressure from the RCVS - the professional body regulating vets - for a public inquiry comes as the college says it is essential that the lessons of the epidemic are learned across the European Union.

BBC: Farm leaders admit disease mistakes