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Operation process as the medium pressure is help to open valve, so reduce operating torque.
操作过程由于介质压力是有助于阀门开启的,所以减小了操作力矩。
youdao
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Operation process as the medium pressure is help to open valve, so reduce operating torque.
操作过程由于介质压力是有助于阀门开启的,所以减小了操作力矩。
youdao