hole boring meaning in Chinese
井孔钻进
Examples
- Grinding a deep hole on deep hole boring machine
在深孔镗床上磨深孔 - Research on the vibration of deep hole boring
深孔镗削振动研究 - Drill tubes with diameters exceeding 100 mm for large hole boring in mining
采矿大孔钻探用直径大于100mm的钻孔管 - Much of the worms are anchored inside the holes bored into live calcareous corals
圣诞树虫在珊瑚上钻孔居住，并伸出七彩的触手捕食。 - Screw threads for drill tubes will diameters exceeding 100 mm for large hole boring in mining
采矿时大钻孔用的直径超过100mm钻杆管的螺纹