The wealth of a country should be measured ________ the health and happiness of its people as well as the material goods it can produce.
B
暫無(wú)解析
一般對(duì)于N跨連續(xù)梁,有()種最不利荷載組合。
單層廠房排架柱內(nèi)力組合時(shí),一般不屬于控制截面的是()
對(duì)構(gòu)件施加預(yù)應(yīng)力的主要目的是()
結(jié)構(gòu)設(shè)計(jì)中,高層建筑的高度是指()
圈梁的作用是將墻體和廠房柱箍在一起,以加強(qiáng)廠房的整體剛度,防止由于地基的不均勻沉降或較大振動(dòng)荷載引起對(duì)廠房的不利。