卫生

• A : washing your hands before you eat is very sanitary
  吃东西前洗手是很卫生的。
• Hygienic standard for ozone in air of residential area
  居住区大气中臭氧卫生标准
• What are you doing ? - i ' m emptying the dishwasher
  -你在干什么？ -给洗碗机搞卫生
• Hygienic standard for water consumption in rural areas
  农村生活饮用水量卫生标准
• Talking about construction of health system in communities
  浅谈社区卫生体系建设
• Survey on situation of the health talent in leshan
  乐山市卫生人才现状调查与思考
• Technical rules of health monitoring for public places
  公共场所卫生监测技术规范
• Construction on healthy culture of hygiene in universities
  高校卫生健康文化建设
• Sbs jp , secretary for health , welfare and food
  0925主礼嘉宾卫生福利及食物局局长
• Hygienic standard for lead content of pencil coating
  铅笔涂漆层中含铅量卫生标准