drilling hole
短语词组
- drilling conductor hole 钻导管井眼
- Drilling Making hole 正钻
- drilling new hole 钻新孔
- drilling g hole 钻孔
- drilling precise hole 钻精孔
- drilling water hole 打水眼
- drilling radial hole 钻径向孔
- drilling core hole 钻芯孔
- directional drilling hole 定向钻孔 返回 drilling hole