kryptonshen 发表于 2017-3-7 11:105 x0 ?' b& T% r1 N$ i4 l* o! N
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 b. y" m. D, F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.