The design example and norm were established for the complex-spring that supports catalysts tubule.

  • 给出反应管内支托催化剂的复合弹簧的设计实例和设计指标.

  • 互联网摘选 2025-01-19 10:59:00

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