The study on metallographic specimen polishing machine at home and abroad was introduced.

  • 介绍了国内外金相试样抛光机的研究情况,以及各种类型抛光机的性能与特点.

  • 互联网摘选 2025-01-18 17:39:46

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