A.不大于5%B.不大于6%C.不大于8%D.不大于10%
A.不大于0.5%B.不大于1.0%C.不大于1.5%D.不大于2.0%
A.不大于0.001%B.不大于0.002%C.不大于0.01%D.不大于0.02%