空调系统的缺点 A.费时 B.工效低 C.操作复杂 D.紊流 E.效果不可靠 发布时间:2018-04-14 15:09 │ 来源:www.tikuol.com 题型:单项选择题 问题: 空调系统的缺点A.费时B.工效低C.操作复杂D.紊流E.效果不可靠
题型:单项选择题 We have many differences, but we also have some things ____.A. in common B. in fact C. as for 查看答案