W/O型乳化剂的HLB值 A.15~18 B.13~16 C.8~16 D.7~ 发布时间:2019-03-28 09:11 │ 来源:www.tikuol.com 题型:单项选择题 问题: W/O型乳化剂的HLB值A.15~18 B.13~16C.8~16 D.7~9E.3~8
题型:单项选择题 Though smoking is not allowed in the public places, many people are still in _______ habit of smoking in the train or bus in _______ public.A.the;theB./;/C.the;aD.the;/ 查看答案