weight-loaded regulator的意思|示意
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重力型自力式调节阀
weight-loaded regulator的网络常见释义
重力型自力式调节阀 ... weight indication，砝码标称值 weight-loaded regulator，重力型自力式调节阀 weight of measurment，测量的权 ...
重锤式调节阀 重锤式调节阀