bolting with wire mesh supporting
bolting with wire mesh supporting
用钢丝网支撑螺栓连接
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Through adpting U-steel bolting with wire mesh in 21 dip of Lugou coal mine, condition of roadway supporting is improved, technological and economic results are gained.
芦沟矿21采区下山通过采用U型钢-锚网支护，改善了巷道支护状况，取得了明显的技术经济效益。
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