surrounding ground grouting beforelining
surrounding ground grouting beforelining 衬砌前围岩注浆 surrounding ground grouting afterlining 衬砌后围岩注浆 surrounding ground grounting 围岩注浆 .
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surrounding ground grouting beforelining
衬砌前周围地面灌浆
以上为机器翻译结果，长、整句建议使用 人工翻译 。