drilling tool
短语词组
- drilling machine tool 钻削组机
- rotary drilling steering tool 旋转导向钻井工具
- drilling g tool 钻具
- measurement while drilling downhole tool 随钻井下仪器
- decompression drilling tool 减压钻具
- drilling tool accident [矿业]钻具事故
- Drilling tool check valve 钻具止回阀 返回 drilling tool