kryptonshen 发表于 2017-3-7 11:10: f' P( R1 F# M
请教第三条的答案。后院向上的斜坡,前院的坡度会有什么不同影响吗?不是很理解。! `4 M% o+ S' R- c" X
房子后面离fence大概1 ...
: \7 Q) _ R, O f" P7 m) c3. Not ideal, always watch out for the grading, there is a chance water will flow towards the house if proper grading not maintained.