A.1% B.2.5% C.3% D.3.5% E.5%
A.5%淺Ⅱ度 B.5%深Ⅱ度 C.10%淺Ⅱ度 D.10%深Ⅱ度 E.15%淺Ⅱ度
A.29% B.31% C.32% D.33% E.34%