职业性接触 meaning in Chinese

occupational exposure

Classification of health hazard levels from occupational exposure to toxic substances
职业性接触毒物危害程度分级
Diagnostic criteria and principles of management of occupational contact dermatitis
职业性接触性皮炎诊断标准及处理原则
Analysis on the multi - organ impairment induced by occupational exposure to trichloroethylene
职业性接触三氯乙烯引起多器官损害的分析