Nowdays, these kinds of composites are mainly fabricated by powder metallurgical method or cast-questing method.

  • 目前其制备工艺主要采用粉末冶金法和挤压铸造法.

  • 互联网摘选 2025-01-19 09:31:38

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