The quality of river seafarers training defines the safety and development of the river navigation.

  • 内河船员培训质量的高低,决定着内河航运的安全和发展.

  • 互联网摘选 2025-01-20 12:11:15

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