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【简答题】
单相变压器的一次电压U1为3000V，变比K为15，求二次电压U2是多少？当二次侧电流为60A时，求一次电流I1是多少？
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皮皮学刷刷变学霸
举一反三
【单选题】The case of Li Gang became a hot topic and so did ______of Li Tianyi.
A.
it
B.
one
C.
that
D.
this
【判断题】Topic 45 Session 2 Listening 6-1 Listen to a conversation between an intern and an engineer. Topic 45 listening 6 The man recently completed an engineering degree program.
A.
正确
B.
错误
【简答题】Topic 6 Session 1 Place the correct words and phrases from the word bank under the correct headings.A. removalB. malwareC. virusD. spywareE. quarantineF. firewallG. antivus software
【简答题】Topic 7 Session 1 Match the words (1−6) with the definitions (A−F).A. source code editorB. programC. programming languageD. programming softwareE. interpreterF. compiler
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