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前言 静力破碎剂的应用例子已有所报导,如煤矿曾在芦别矿业所的一井和二井用于破碎岩石、松动岩体以及拆除混凝土峒壁等工
Foreword Examples of applications of static breakers have been reported. For example, coal mines used to drill rock, loosen rock and remove concrete walls and other wells at the Aibo mining facility.