40g吐温80(HLB为15)与60g司盘(HLB为4.3)混合后HLB为() 40g吐温80(HLB为15)与60g司盘(HLB为4.3)混合后HLB为() A.12.6 B.4.3 C.6.5 D.8.6 正确答案:8.6