找回密码
 立即注册
河床深厚覆盖层
厚度大于40m的河床覆盖层。
来源:《水利水电工程地质勘察规范 GB50487-2008》

Archiver|手机版|小黑屋|牛马Next ( 苏ICP备17047105号-6 )

GMT+8, 2025-6-7 02:31 , Processed in 0.047821 second(s), 9 queries .

Powered by Discuz! X3.5

© 2001-2025 Discuz! Team.

返回顶部