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