农村建筑防火间距要求,当建筑相邻外墙上的门窗洞口面积之和小于等于该外墙面积的10%且 发布时间:2017-08-05 17:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 农村建筑防火间距要求,当建筑相邻外墙上的门窗洞口面积之和小于等于该外墙面积的10%且不正对开设时,建筑之间的防火间距可减少为()m。A.8B.6C.4D.2
题型:单项选择题 It is rather __________ that we still do not know how many species there are in the world today. [ ]A. misleading B. embarrassing C. boring D. demanding 查看答案