Make sure your drainage plan slopes away from homes or other structures to protect against flooding and moisture damage.
确保您的排水计划斜坡远离家园或其他结构，以防止洪水和水分损失。
The wood strips are placed on top to provide a drainage plane so moisture doesn't get behind the siding.
该木条放置在顶部的飞机，以便提供一个排水水分没有得到背后的壁板。
With improvement of aeration, infiltration and drainage percent, the availability of moisture soil increases corresponsively.
随着土壤的通气性和渗透、排水率的改善，土壤有效水分增加。
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