| 1. | A deep hole in the earth gaped before us . 在我们面前的地上裂开着一个深坑。 |
| 2. | Drilling was slow, requiring many years and even decades to complete a single deep hole . 钻进是缓慢的,往往需要几年甚至几十年才完成一眼深井。 |
| 3. | The deepest hole ever to be bored on land went down 25, 340 feet--considerably less than the height of mount everest . 迄今,在陆地上钻过的最深的洞为二万五千三百四十英尺远不如珠穆朗玛峰的高度。 |
| 4. | This portable rig can only drill 15m deep holes 这台人抬钻机只能打15米深的井。 |
| 5. | Count on estrolabo for small and deep hole processing 细深孔加工细深孔加工 |
| 6. | Observation and analysis of deep hole blasting vibration 深孔爆破震动的观测与分析 |
| 7. | Method for machining small diameter and deep hole 细长深孔加工的解决方案 |
| 8. | A deep hole in the earth gaped before me 在我前面的地上一个深坑裂开了。 |
| 9. | Technological practice of complete bright deep hole nickel plating 全光亮深孔镀镍工艺实践 |
| 10. | New drill bit for drilling small diameter deep hole 新型小径深孔钻头 |