勇忠, 李, 神东煤炭集团补连塔煤矿综采一队, 中国
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卷 4, 编号 11 (2022) - 论文
大采高综合机械化采煤工艺技术质量研究
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Address：73 Upper Paya Lebar Road #07-02B-01 Centro Bianco Singapore 534818
phone：+65 83184869
ⓒ2019 by Academic Publishing Pte Ltd