Pb-free solders Sn-Bi-Zn based with our own patent and their modification to fit for package applications.

  • 无铅焊锡—锡铋锌系无铅焊锡,材料设计、发,焊料(球、膏)发等.

  • 互联网摘选 2025-01-19 10:35:50

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