By the construction practice of pre-reserved beam sump in the shaft construction of Guqiao Coal Mine,goes further into the technical factors and pre-reserved result ect.
英
美
释义
通过顾桥矿井筒施工过程中预留梁窝的施工实践,探讨了井筒掘砌中预留梁窝施工的技术因素、预留效果等。
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