drill hole meaning in English
井眼；探坑
排放钻孔
钻孔
Examples
- Levelling is usually carried out with vertical drill holes .
整平爆破通常用垂直炮眼进行。 - 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。 - 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。 - 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。 - 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。