Geared turbine drive Development of variable speed coupler reduction box for drilling machine in oil-field

  • 涡轮机减速齿轮传动油田钻机用调速型偶合器减速箱的研制

  • 互联网摘选 2025-01-20 11:43:27

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