inside screw stop valve的意思|示意
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内螺纹截止阀
inside screw stop valve的网络常见释义
内螺纹截止阀 ... ROLLBALL SCREW GATE VALVE 滚珠丝杠式平行闸板阀 inside screw stop valve 内螺纹截止阀 screw gate valve 螺旋闸阀 ...
inside screw stop valve相关短语
1、 Inside screw stem stop valve 下螺纹阀杆截止阀