短語詞組短語rotary y drilling rig 鏇轉鑽機hydraulic rotary drilling rig 液壓鏇挖鑽機large rotary drilling rig 大型鏇挖鑽機Rotary drilling rig construction 鏇挖鑽機Components of Rotary Drilling Rig 鑽井系統(tǒng)部件Rotary Drilling Rig auger bit 鏇挖鑽機用鏇挖齒drilling rig rotary table 石油鑽機轉磐 返回 rotary drilling rig