drill rod connecting hoop的意思|示意
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钻杆连接箍
drill rod connecting hoop的网络常见释义
钻杆接箍 ... drill rig架式钻机 drill rod connecting hoop钻杆接箍 drill rod padding fork钻杆垫叉 ...
drill rod connecting hoop相关短语
1、 drill l rod connecting hoop 钻杆接箍