爆破手从一个俯瞰这幢楼房的屋顶上投掷了炸药,攻破了安全防卫。

The bomber had breached security by hurling his dynamite from a roof overlooking the building.

《柯林斯英汉双解大词典》

警方花了很长时间打碎旅游车窗户，而爆破炸药(俗称为框架炸药)可瞬间将车窗和车门炸开。

The police spent a long time smashing the Windows of the bus, whereas explosive charges (known as frame charges) would have knocked in Windows and doors instantly.

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深孔爆破采用合理的布孔方式，使炸药爆炸能量得以充分发挥，破碎率提高，大块度降低，从而获得较理想的堆石坝石料。

The reasonable hole pattern of deephole blasting was utilized to make fully use of the explosive energy to improve the crushed ratio to lower the boulder yield and to obtain better dam rocks.

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