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问题 更新时间2023/4/3 12:59:00
软弱、不稳定围岩一般受到侧向山岩压力作用,此时无压隧洞宜采用( )的形式。
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马蹄形
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华北水利水电大学水工建筑物
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第1题
If she stayed in the shower too long, her mom or dad usually banged on the door to rush her so she grabbed a towel and d
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第2题
They looked the same at first glance but in fact which they were different.
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第3题
隧洞的工作闸门在( )。
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第4题
The French pianist who had been praised very highly _____________ to be a great disappointment. A. turned up B. turn
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