incompact surrounding rock
incompact surrounding rock
松散围岩
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The practices showed that the two stage coupling grouting technology is an effective access to solve the difficult support problem of the incompact and fractured surrounding rock.
实践表明，两步耦合注浆技术是解决松散破碎围岩支护的有效途径。
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