kryptonshen 发表于 2017-3-7 11:102 v& W. o( C4 |. [1 D
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。 9 E) _: K' ~0 p房子后面离fence大概1 ...
, J& J2 ~8 C+ K7 L/ L) V) |
3. Not ideal, always watch out for the grading, there is a chance water will flow towards the house if proper grading not maintained.