Corrosive liquids and acids should have wh
题型:单项选择题
问题:
Corrosive liquids and acids should have which kind of label?()
A.Skull and crossbones
B.Yellow and white
C.Red and white
D.White and black
Corrosive liquids and acids should have which kind of label?()
A.Skull and crossbones
B.Yellow and white
C.Red and white
D.White and black