The equipment maintenance cost holds the considerable ratio in the cost of metallurgy production.

  • 设备维修费用在冶金矿山生产成本中占有相当的比例.

  • 互联网摘选 2025-01-19 23:42:47

    • 相关例句
    精确
    • 模糊
    • 词首
    • 词尾
    • 词义
    • 例句