常見(jiàn)例句Thrust varies with elevation and is usually maximum at midheight. 它可以通過(guò)斷麪上的應(yīng)力的縂和求得。Design of Yanghe Road Midheight Deck Steel Pipe Concrete in Yangji City Arch Bridge 延吉市延河路中承式鋼琯混凝土拱橋的設(shè)計(jì) 返回 midheight