One of the greatest challenges, which a blaster faces in mining and contruction blasting, is to accu – Chinese translation

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One of the greatest challenges, which a blaster faces in mining and contruction blasting, is to accurately determine the bounds of the blast safety area

爆破人员在采矿及建筑拆除爆破过程中所面临的一个最大难题、是准确算岀爆破安全区的范围

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