exposersBNC¹²⁶⁴¹⁶⁺⁴ 基本例句 n.曝光器原型exposer的复数 Methods Dust concentrations in the workplaces were determined in a rubber molding plant and occupational physical examinations on152 workers exposed to dust and93 non- exposers were taken. 方法对某橡胶制品厂作业场所进行粉尘浓度测定，并对152名接尘工人和93名非接尘人员进行职业性体检。 cnki