launching erection
短语词组
- incremental launching method erection 顶推法架桥
- launching g erection 曳进架设法
- beam launching erection 引进架设横梁
- incremental launching erection 顶推法架桥
- Erection launching 引进架设法
- erection by launching technique [交]滑拽法架桥
- erection by launching 伸展架设法;下水式架设
- erection and launching 组装始发
- erection by launching girder 导梁架桥法 返回 launching erection