Two types of end are standard on steel pipes and fittings, that is flanged and screwed.

  • 钢管以及管件有两种标准端部型式, 即:法兰以及丝扣.

  • 互联网摘选 2025-01-18 14:31:55

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