failed hole
英
美
- 已失效的炮眼,不爆炮眼
双语例句
- 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。 - 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 explosive from the lorry is delivered to the shot hole by means of a compressed air.
从卡车上直接用压缩空气将炸药装入炮眼。
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