kryptonshen 发表于 2017-3-7 11:109 a M, g; {' U7 F5 l: c
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。 . N: P4 o$ d, N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.