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皇佳掛板需要維護嗎?

文章出處:華遠佳業人氣:0發表時間:2015-5-6【

30年免維護,皇佳掛板是高分子材料,污染物不會進入掛板內部。灰塵經雨水自然沖洗干凈,或人工清潔。不會開裂變形,不會腐蝕剝落。

上海快3当天开奖结果
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