公寓、写字间空调外机必须安装在预留的空调板或机架上,空调外机冷凝水()
A、接入空调排水管集中排放;
B、可以散排;
C、任意排放方式;
参考答案:B
液化石油气有哪些运输方式?
()what she would do, she didn't say anything.
A.Ask
B.Asking
C.Asked
D.To ask