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双沟水电站溢洪道灌浆平洞开挖爆破过程中,为了不使周边的新浇注混凝土和新灌浆区受到影响,采用了严密的控制爆破措施并获得成功。
During the excavation and blasting process of the grouting hole in the spillway of Shuanggou hydropower station, rigorous controlled blasting was adopted and the project was successful in order not to affect the surrounding new poured concrete and new grouting zone.