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井盖的问题本身有问题
haonong
(dandelion)
国内（外）井盖都有圆形，方形，甚至八边形的。无论哪种都需要加固。
(#373480@0)
Last Updated: 2002-2-19
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刚才看新浪新闻,看见一条微软招聘的几道经典考题, 有些意思, 想看看大家怎么答.并附上我的答案.
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