(防渗)整平胶结层
leveling and binder layer with impervious capacity
表面平整度控制
surface smoothness control
不平整原因
cause of unevenness formation
场地平整
leveling fields
site formation
field leveling
field levelling
level the site
leveling up construction site
building site planing
Lang leveling
terrain leveling
场地平整参数
Unknotting parameter of field
场地平整优化设计
site leveling optimization design