静负荷试验
参考答案:
是将小车停在桥架中间,起升1.25倍额定负荷,离地面100~200毫米,停悬10分钟,然后卸去负荷,检查桥架有否永久变形。
对于承包人向发包人的索赔请求,索赔文件首先应该交由( )审核。
A.设计师B.业主C.监理师D.工程师
An analyst does research about market structures. In a perfectively competition industry, the long-run effect of a permanent increase in demand most likely results in an increase in:
A. price.B. output per firm.C. the number of firms.