A test of lower middle temperature blackening on steel part was introduced.

  • 介绍了钢铁件低中温发黑工艺试验.

  • 互联网摘选 2025-01-18 10:50:04

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