问题
单项选择题
()是安装在机械排烟系统的风管(风道)侧壁上作为烟气吸入口,平时呈关闭状态并满足允许漏风量要求,火灾或需要排烟时手动或电动打开,起排烟作用,外加带有装饰口或进行过装饰处理的阀门。
A.排烟管道
B.排烟防火阀
C.排烟口
D.挡烟垂壁
答案
参考答案:C
()是安装在机械排烟系统的风管(风道)侧壁上作为烟气吸入口,平时呈关闭状态并满足允许漏风量要求,火灾或需要排烟时手动或电动打开,起排烟作用,外加带有装饰口或进行过装饰处理的阀门。
A.排烟管道
B.排烟防火阀
C.排烟口
D.挡烟垂壁
参考答案:C
从方框中选择合适的词,并用其适当形式补全短文。有两个多余。
In Germany, people can celebrate the Lantern Festival every year. The festival is on November 11th. The children can小题1:__________ through the streets with paper lanterns they have made. At Hamburg School the students小题2:__________ celebrate the festival on November 11th from 5:00 pm小题3:__________ 9:00 pm. The festival小题4:__________ games to entertain children. Food and entertainments from the local area are something for every child to小题5:__________. At the end of the festival, there will be a lantern walk. Children can walk through the neighborhood小题6:__________ paper lanterns. A German song is小题7:__________ during the lantern walk. All Germans can sing the song during小题8:__________ lantern festival. This festival is an enjoyable night for children to learn a bit more about Germany. |