1) remaining height
洞顶余幅
2) residual air hole
残余孔洞
3) cave fall of ground
冒顶空洞
4) karst caves of the tunnel vault
拱顶溶洞
5) top of conduit
涵洞顶部
1.
Reinforcement of the top of hydraulic conduit damaged by water flow is still a problem in the current hydraulic management This paper made an introduction to a kind of new technology applied to reinforcing the top of conduit by reinforced concrete furring, which enables the new and old concrete tightly joint to work togethe
水工涵洞顶部水毁加固补强 ,是目前水工管理工作中的一个难题。
6) landslide over tunnel
洞顶滑坡
补充资料：余幅
1.剩馀的篇幅。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条