bolting and sprayed concrete
...护 锚喷 复合土钉墙 复合支护 术语 命名 [gap=1439]Key words: soil nail walls; soil nailing; bolting and sprayed concrete; composite soil nail walls; composite soil nailing; term; definition ..
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bolting and sprayed concrete
螺栓和喷射混凝土
以上为机器翻译结果，长、整句建议使用 人工翻译 。