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通过对鸡冠嘴金矿混合并“空洞”破碎段的勘察、预注浆设计、施工及井筒掘后地质编录等,总结了井筒预注浆设计与施工的经验.
The experience of design and construction of wellbore pre-grouting was summarized through the investigation of mixing and “empty” broken sections of Jiguanzui gold mine, pre-grouting design and construction, geological cataloging of wellbore excavation and so on.