6. You can find the map of China like a cock.
A.looked
B.shaped
C.shaping
D.rejected
答案:B
二级多层戊类厂房与四级单层戊类仓库之间的防火间距,不应小于()m。
A.16
B.14
C.13
D.12
简述塔盘安装顺序。