coal working face中文,coal working face的意思,coal working face翻译及用法

2025-10-08 08:24 浏览次数 7

coal working face

煤工作面

coal working face 例句

英汉例句

  • 3 Excavate coal is primary production link in coal mine production, therefor, Weaving excavate coal working face supersedure plan has instructional meaning.

    采煤是煤矿生产中的主要生产环节,因而编制采煤工作面接替计划对煤矿生产具有指导性意义。

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