求翻译：在铺好实木地板后必须封蜡处理，也就是定期对一般免漆地板进行打蜡，平均三个月一次，主要是保护地板漆膜。这样才不会受气候的干湿影响，大大减少地板的收缩和膨胀。是什么意思？

Laid must be of solid wood flooring-sealing wax, which is regularly waxing General PVC flooring, an average of three months, mainly to protect the floor coating. This is not under the influence of wet and dry climate, greatly reducing the contraction and expansion of the floor.