A semiconductive shielding layer compound for mine cable has been developed.

  • 简介了矿用电缆半导电屏蔽层胶料的研制.

  • 互联网摘选 2025-02-07 20:56:13

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