在计算高层建筑风荷载标准值时,应乘以大于 1 的风振系数的情况是 ( )。
Goods are carried by several of transport--on road or rail, by sea or air.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
免费的网站请分享给朋友吧