短語詞組短語rotary y drilling rig 旋轉(zhuǎn)鉆機(jī)hydraulic rotary drilling rig 液壓旋挖鉆機(jī)large rotary drilling rig 大型旋挖鉆機(jī)Rotary drilling rig construction 旋挖鉆機(jī)Components of Rotary Drilling Rig 鉆井系統(tǒng)部件Rotary Drilling Rig auger bit 旋挖鉆機(jī)用旋挖齒drilling rig rotary table 石油鉆機(jī)轉(zhuǎn)盤 返回 rotary drilling rig