block carving coal mining method是什么意思、英文翻译及中文解释
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block carving coal mining method
词语: block carving coal mining method
解释: 大块崩落采煤法
词典: 贸易专业英汉词典
block carving coal mining method 相关解释
大块崩落采煤法 block carving coal mining method
block carving coal mining method
词语: block carving coal mining method
解释: 大块崩落采煤法
词典: 贸易专业英汉词典
block carving coal mining method 相关解释
大块崩落采煤法 block carving coal mining method