mechanized coal face是什么意思


中文翻译机械化采煤工祖

网络释义

1)mechanized coal face,机械化采煤工祖2)face mechanization,工祖机械化3)mechanized face,机械化工祖4)coal wall,采煤工祖5)mechanized coal mining,采煤机械化6)mechanical coal mining,机械化采煤

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