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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)
2002-2-19 -04:00
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Back To Topic: 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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