self operated differential pressure regulator
...进口自力式调节阀 Self-regulating valve ; regulating valve 自力式差压调节阀 self operated differential pressure regulator 自力型自力式调节阀 weight-loadedrcgulator ; loadedrcgulator ..
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self operated differential pressure regulator
自助式差压调节器
以上为机器翻译结果，长、整句建议使用 人工翻译 。