A.右進(jìn)左出,前拿后補(bǔ) B.左進(jìn)右出,前拿后補(bǔ) C.右進(jìn)左出,前補(bǔ)后拿 D.左進(jìn)右出,前補(bǔ)后拿
A.3/4,48,雙層 B.2/3,48,雙層 C.3/4,48,單層 D.1/3,24,雙層
A.2000mg/L,1斤水,2片 B.2000mg/L,2斤水,1片 C.1000mg/L,1斤水,2片 D.1000mg/L,2斤水,1片