kryptonshen 发表于 2017-3-7 11:10# J2 Q, ~6 t, r5 b0 A
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。7 k3 V0 k" Z0 t
房子后面离fence大概1 ...
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3. Not ideal, always watch out for the grading, there is a chance water will flow towards the house if proper grading not maintained.