Blasting involves both the creation of new fractures and the extension of existing cracks and joints – Chinese translation

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Blasting involves both the creation of new fractures and the extension of existing cracks and joints to loosen and liberate "in-situ" blocks within the rock mass structure

爆破既产生了新的裂缝、又延展了固有的裂隙和节理、这样可松动并取出岩体结构中的“原位”岩块

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