A.100~200mmB.200~300mmC.300mm以下D.50~100mm
A.用除鹽水浸泡 B.用除鹽水沖洗 C.用飽和食鹽水浸泡 D.用10%的食鹽水浸泡
A.大于0.2 B.大于1.0 C.大于0.3 D.大于0.5