- back-pre ure regulator
- back-pressure regulator
- 回压: return pressure
- 调节器: regulator; adjuster; governo ...
- 背压调节器: back pressure regulator; backpressure governor
- 差压调节器: differential controller; differential pressure regulator
- 电压调节器: constant voltage control; potential regulator; regulator, voltage; voltage adjuster; voltage regulator
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