探析地表超前预注浆技术在治理阿拉坦隧道浅埋破碎带中的应用
탐석지표초전예주장기술재치리아랍탄수도천매파쇄대중적응용
Surface ahead of the Pre-Grouting Technology in the Application of Government of Shallow Broken Belt in Alatan Tunnel
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