failed hole的用法和樣例：
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，故天井爆破宜采用較大的炮眼直徑。 - The plastic hose should have the correct external diameter in relation to the drill hole.
塑料軟管的外徑應該與炮眼直徑相適應。 - The explosive from the lorry is delivered to the shot hole by means of a compressed air.
從卡車(chē)上直接用壓縮空氣將炸藥裝入炮眼。
