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井盖是所有地下管道出口的总称,和井可没关系.许多井盖下面是煤气管道的阀门或是地下光电缆,电话线的节点.
chineseman123
(问问)
(#373504@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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