Pulling Side Pocket Check Valve的意思|示意
美 / /
英 / /
拉动侧袋止回阀
Pulling Side Pocket Check Valve的网络常见释义
捞偏心阀 ... Running Side Pocket Check Valve 投偏心阀 Pulling Side Pocket Check Valve 捞偏心阀 Sand Sampling 取砂样 ...