Passive smoking with high density, more nightshift, more overloading or carrying appear to be the environmental and occupational risk factors of spontaneous abortion in the areas.

  • 妊娠期间高频率的被动吸烟、常于夜间工作、经常搬运重物或挑担可能是该农村地区育龄妇女自然流产的环境与职业危险因素。

  • 互联网摘选 2025-01-19 22:30:47

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