Do it by youself, $2000 will be enough.6 h( C$ M( x$ {" m% }$ ^% E. N/ A$ `6 }
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Before snow coming, change it right away. ( ~9 U0 o4 K- c; ?# X4 Dtradesman 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