谢九妹，这些建议对我很有帮助。我以前喜欢爬楼梯锻炼身体，不知道还有安全隐患。

来源: SHA66 于 2009-11-12 18:33:15 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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