Infiltration heat from warm outside air through small holes, cracks, and door seals.

由外部通过小孔、裂缝和门的密封圈而进入的渗入热。

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In particular, wood floors, wooden walls and door frames, such as wood, once the infiltration of water, it will be because of the tide and discoloration, mildew, insects, until it can not be used.

分外是木地板、木质墙线和门框等木料部分，一旦渗入水分(建网站多少钱)，就会因潮而变色、发霉、生虫，直至无法使用。

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