Do it by youself, $2000 will be enough. 6 s' c4 M9 U' H3 X, w) c7 X 6 p: @, J% A2 t- Q2 GBefore snow coming, change it right away. * ~7 {0 A) n. L8 t# Z( Btradesman 发表于 2009-11-16 12:30 PM
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还是别自己干了吧, 这要是漏水可就麻烦了. 另外还需要爬高, 总觉得危险