钢筋混凝土短柱的震害一般重于长柱,因此应尽量避免短柱的出现。
参考答案:对
根据课文内容回答下列问题。(Unit12 Don't eat in class 3a)
1. When does Zhao Pei get up every morning?
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2. Why can't Zhao Pei meet her friends after school?
35千伏直配变压器小修每年至少1次。( )