Development of variable speed coupler reduction box for drilling machine in oil-field "Technical specifications of springs for fuel pump, governor and injecter of diesel engines"

  • 油田钻机用调速型偶合器减速箱的研制GB/T2940-1982柴油机用喷油泵、调速器、喷油器弹簧技术条件

  • 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