erectionn.直立;建造;建筑物;[生]勃起
erection and filling架设与填充
erection dysfunction勃起功能障碍
Erection of Scaffolds外墙脚手架搭设
erection torque motor竖起力矩电动机,定向电动机
erection by launching伸展架设法
erection of arch ribs拱肋安装
erection construction吊装施工
erection with cableway缆索吊装
erection and launching组装始发
erection of steel work钢架装置