卫生调查 meaning in Chinese

sanitary survey

Labor hygiene research on asphalt concrete mixture engineering
沥青混凝土拌制工程劳动卫生调查
Survey on occupational health condition in large cement enterprises
常州市某辖区私有企业职业卫生调查与分析
Occupational hygienic investigation and evaluation of a monomethylamine engineering plant
某厂甲胺工程职业卫生调查评价
Analysis of the tableware sterilize status of haizhu district in guangzhou city
广州市海珠区饮食业餐饮具消毒卫生调查分析
Investigation on occupational health status of organic solvent from facto ries in futian district of shenzhen city
某区工业企业有机溶剂职业卫生调查

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