·2,447,543篇论文数据，部分数据来源于NoteExpress
Objective To evaluate their level of exposure to silica dust in the workers employed in geologic exploration industry using a quantitative method.
目的对接触矽尘的地质勘探工人的接尘水平进行定量评价。
youdao
应用推荐
模块上移
模块下移
不移动