air drilling
短语词组
- air flush drilling 空气洗井钻井;空气冲洗钻井;风钻
- air cushion drilling platform 气垫钻井平台
- Air Conditioning Drilling 空调打孔
- air foam drilling 空气泡沫钻井
- air hammer drilling 气动震击钻井;空气锤钻井英文课件;空气锤钻井
- air driving drilling machine 气腿式风钻
- air mist drilling 空气雾化钻井
- air lift drilling 气举钻探
- air -drilling well 空气井 返回 air drilling