Objective To study the pathogenic situation of arsenism caused by coal burning pollution.

  • 目的了解燃煤污染引起慢性砷中毒的发病情况.

  • 互联网摘选 2025-01-17 06:54:07

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