哪些原因可引起C-202闪蒸()A.底温太低 B.二次溶剂量大 C.消泡剂注入量小 发布时间:2019-06-27 16:07 │ 来源:www.tikuol.com 题型:单项选择题 问题: 哪些原因可引起C-202闪蒸()A.底温太低B.二次溶剂量大C.消泡剂注入量小D.进料大
题型:单项选择题 --- I’m sorry I broke the vase.--- Oh, _____. It wasn’t very expensive.A.you’d better notB.I’m afraid notC.as you wishD.that’s all right 查看答案
题型:单项选择题 —Do Lucy and Lily have a baseball? —Yes, ____ [ ]A. she does B. she has C. they do D. they have 查看答案