1。原来柱子的安装下面都没完全贴上水泥地, 不如现在安装的牢固
2。PVC里有金属,垂直承重5000LB,水平应该也好了
1。原来柱子的安装下面都没完全贴上水泥地, 不如现在安装的牢固
2。PVC里有金属,垂直承重5000LB,水平应该也好了
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