environmental hygiene

  • un.环境卫生学
  • 网络环境衞生

environmental hygieneenvironmental hygiene

environmental hygiene

un.

1.环境卫生学

21
If you notice any mosquito breeding sites in public places, you may call the Food and Environmental Hygiene Department Hotline at 2868 0000.
如发现公众地方有蚊子滋生,可致电食物环境生署热线28680000举报。

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