bridgebuilding

与bridgebuilding相关的网络例句 [注：此内容来源于网络，仅供参考]

One year after completion, officials found cracks in 50 bridgebuilding materials reacting differently to heat and ground sinkage,according to an announcement on the government Web site. the

据南京市政府网站的公告称，完工一年后，政府人员发现50根栏杆立柱根部出现了最大一指宽的裂缝，这主要是由建筑材料热膨胀系数不一致和桥台填土沉降引起的。