A.矽肺 B.水泥塵肺 C.滑石肺 D.焊工塵肺
A.5%~10% B.10%~20% C.25%~30% D.1%~5%
A.隊(duì)長 B.副隊(duì)長 C.隊(duì)醫(yī) D.專職監(jiān)督員