| 1. | Levelling is usually carried out with vertical drill holes .
整平爆破通常用垂直炮眼进行。 |
| 2. | The plastic hose should have the correct external diameter in relation to the drill hole .
塑料软管的外径应该与炮眼直径相适应。 |
| 3. | The fact that the drill hole openings are located under water complicates charging work .
炮眼口位于水下，无疑会使装药工作复杂化。 |
| 4. | If several drill holes are used in a boulder, then initiation is to be carried out by using instantaneous detonators .
如果一块岩石上有数个炮眼，则应使用即发雷管同时起爆。 |
| 5. | Since the crater-hole breakage is of great importance, it can be advisable to use a larger drill hole than the others in the raise .
由于漏斗炮眼的爆破效果非常重要，故天井爆破宜采用较大的炮眼直径。 |
| 6. | A second method is to furnish the surfaces with hinges and to use an exterior sector with drilled holes for each angle setting .
第二种方法是在翼面上装置铰链，用一个对不同安装角钻有不同孔的外部扇形件与之配合。 |
| 7. | Should drill hole on the fuselage reinforcing plate
要钻在机身的加强层板上。 |
| 8. | Drilling holes for screw on the head of high pressure vessels
高压容器主螺栓孔加工 |
| 9. | Qingjiang bridge karst geology drill hole pile construction
清江大桥岩溶地质钻孔桩施工 |
| 10. | Requirements for cluster drilling hole anticollision technology
丛式井井眼防碰技术要求 |
