Broadcast educational materials about personal hygiene, environmental hygiene and proper hand wash method on the information display system on campus.
在校内的资讯广播系统播放有关个人卫生、环境卫生及正确洗手方法的健康教材。
Broadcast educational materials about personal hygiene, environmental hygiene and proper hand wash method on the information display system on campus.
在校内的资讯广播系统播放有关个人卫生、环境卫生及正确洗手方法的健康教材。
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