lock shield valve是什么意思


中文翻译双重调节阀

网络释义

1)lock shield valve,双重调节阀2)dual governing,双重调节3)double governor,双重调节器4)weight-loaded regulator,重锤式调节阀5)dual regulating governor,双重调节调速器6)weight loaded pressure-regulating valve,荷重式压力调节阀

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