谢谢!!!
回答: 松动的去掉, 凿掉, 用水冲洗干净, 半干时, 用水泥灰桨stucco填充 . 5天后, 有缝隙的地方用sealant 再填。
由 PrimeryColor
于 2019-12-15 20:04:32
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