The effect of profusion on reducing the core melt-retardation of flux cored wire is studied.

  • 研究了药粉预熔对改善药芯焊丝滞熔现象的作用.

  • 互联网摘选 2025-01-18 11:40:38

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