单选题
发布日期:2021-05-16
What about New York?
Will you be traveling alone?
What sort of holiday interests you?
How are things going with you?
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opes or wires attached to derricks to prevent them from swinging during cargo handling operations are().
“南极”一词最早见于哪部典籍?
实验法的优点包括()。
按字行排版禁则,每页至少有()行文字。
某一般性质的220kV变电站,电压等级为220/110/10kV,两台相同的主变压器,容量为240/240/120MVA,短路阻抗Uk(1-2)%=14,Uk(3-1)%=25,Uk(2-3)%=8,两台主变压器同时运行的负载为65%,220kV架空线路进线2回,110kV架空负荷出线8回,10kV电缆负荷出线12回,设两段,每段母线出线6回,每回电缆平均长度为6km,电容电流为2A/km,220kV母线穿越功率为200MVA,220kV母线短路容量为16000MVA,主变压器10kV出口设计XKK-10-2000-10限流电抗器一台。请回答下列问题。请计算该变电站最大运行方式时,220kV进线的额定电流为下列哪项()?
辞职是公务员的()。
岩石的抗压强度试验,试验时,取有代表性地岩石样品用石材切割机切割成边长为的150mm立方体。
工业建筑按厂房层数可分为( )。
简析《红楼梦》中林黛玉形象的基本特征。
正常血钾浓度是()
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Bruce: Good morning. Welcome to Supervacation Travel Agency. Can I help you? Ma...
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‘Good’ + morning的结果为:‘Good morning’。
‘Good’ + morning的结果为:‘Good morning’。
一 Good morning. ,- Good morning! I need a check to send to my publisher in New Y...
一 Good morning. ,- Good morning! I need a check to send to my publisher in New Y...
Good morning, John . How are you doing?()
Good morning, John . How are you doing?()