A.鉛B.甲基汞C.砷D.鎘E.銅
A.12%~18% B.<12% C.18%~25% D.25%~33% E.>33%
A.劇烈嘔吐 B.黃綠色水樣便 C.發(fā)紺 D.神經(jīng)系統(tǒng)損傷癥狀 E.腹痛