英语词汇“大安山煤矿轴13顺槽沿空留巷锚杆支护技术研究”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	大安山煤矿轴13顺槽沿空留巷锚杆支护技术研究
释义	大安山煤矿轴13顺槽沿空留巷锚杆支护技术研究 Research on bolt support technology for gob side entry retaining of No.13 mining face gateway in central part of Da'anshan Mine
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