1419| 0
|
JT/GQS 015-1977 钻孔桩桥墩桥台(配装配式预应力混凝土空心板上部构造JT/GQB 001-7... |
手机版|小黑屋|机械村 ( 渝ICP备17010994号-1|渝公网安备50022702001048号 )
GMT+8, 2024-11-25 08:35 , Processed in 0.013095 second(s), 3 queries , Gzip On, Redis On.
Powered by 机械村
Copyright © 2012- Jixiecun.com