亲水亲油平衡值()
A.Krafft点
B.昙点
C.HLB
D.CMC
E.杀菌与消毒剂
参考答案:C
流体在流动是所具有的机械的形式有()。
A.位能
B.动能
C.内能
D.压能
I've always dreamt of buying a big house, and now my dream has ____true.
A.become
B.turned
C.come
D.changed