erectionn.直立；建造；建筑物；[生]勃起erection reinforcement架立钢筋erection by protrusion悬臂架设法erection of instruments设备安装erection and commission安装调试erection of house frame房屋构架架设erection of hanging rack外挂架搭设erection of fixed bridge固定桥架设erection of steel girder钢梁架设erection counter readout立式计算器读出器erection of box-girder箱梁架设