... drainage pipe slope疏水管道坡度 drainage on embankment slope 贴坡式排水 Drainage slope to 排水坡向 ...
双语例句
1
The physical model tests were performed to study the influence of pipedrainage system on soil permeability, groundwater level and slope residual downslide thrust.
Pipedrainage of groundwater are often developed in the pebbly clay slopes and are important in restricting groundwater level rising and in keeping slope stability.