劳动卫生学 meaning in English

labor hygiene
labour hygiene

Investigation on labor hygiene in steel cable factory
钢丝绳厂劳动卫生学调查
Labor hygienic survey on 15 concrete - making factories in zi chuan
淄博市淄川区15家水泥厂劳动卫生学调查
Survey on labor hygiene of lead exposure in kuishan chemical factory in xuzhou city
徐州市奎山化工厂铅作业劳动卫生学调查
Labor hygienic evaluation on the toluene management in a foreign owned shoe - making factory
某独资企业制鞋场所甲苯治理劳动卫生学评价