256查询网 英汉词典
首页> 英汉词典>middle and small coal mine的意思

middle and small coal mine

英 美
  • 中小煤矿

双语例句

    1. Medium and small coal mines in north of Shaanxi Province generally adopt longwall remaining coal pillars support mining.
      摘要长壁留煤柱支撑法开采是陕北中小煤矿普遍采用的一种采煤方法。
    2. Many small and medium-sized coal mine production safety is still not solve the problem, this issue must not be the existence of trusting to luck, said Zhou Dadi.
      许多中小煤矿仍然不能解决安全生产问题,在此问题上绝不能存在侥幸心理,周大地说。

相关词汇

Copyright © 2023 256查询网 All Rights Reserved

Copyright © 2023 www.256cha.com All Rights Reserved

256查询网 赣ICP备18009369号-6

本站部分资料来自网络,如有侵权请速与我们联系删除