self-operated pressure control valve
...自力式压差控制阀,动态阻力平衡阀, [gap=489]Keywords：hydraulic imbalance,self-operated flow control valve,self-operated pressure control valve,dynamic resistance balance valve, ..
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self-operated pressure control valve
自助式压力控制阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。