double seated valve的意思|示意
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英 / /
双座阀
double seated valve的网络常见释义
双座阀 ... double row riveting双排铆接 double seated valve双座阀 double shear rivet双剪铆钉 ...
double seated valve相关短语
1、 double-seated ball valve 双座球阀
2、 double seated main stop valve 双座式主汽门