题目内容

如果某建筑有中央空调系统,那么大楼至少应选2台变压器。

A. 对
B. 错

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选择变压器容量时,变压器的负载率赢空载()。

A. 75%~85%
B. 60%~70%
C. 55%
D. 50%

高层主体建筑内的变电所应选不然或难燃型变压器。

A. 对
B. 错

单台变压器的容量选择,不宜大于2000KVA。

A. 对
B. 错

No horse has a speed c_________ to that of his. He often r_________ to a dictionary when composing. He was a_________ as England’s greatest modern painter. I can take you to the airport and see you o_________. Susan is my c_________, we were at school together. The p_________ of the characters in the novel is lifelike. Oil will not m_________ with water.

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