细水雾灭火系统的管网试验压力环境温度不低于()摄氏度A.5 B.6 C.7 D.8 发布时间:2017-10-01 06:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 细水雾灭火系统的管网试验压力环境温度不低于()摄氏度A.5B.6C.7D.8
题型:单项选择题 You are in a bad mood all the afternoon. Maybe you need _______ like me to cheer you up. [ ]A. no one B. none C. someone D. everyone 查看答案