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HelloHello, Hello, How are you.Hello, 1 , How are you.Hello, Hello, How are you.How are you,today.I’m 2 . I’m great.I’m fine. I’m 3 great.I’m fine. I’m 4 .I’m 5 today.Great!Hello, Hello, How are you.Hello, Hello, How are you.Hello, Hello, How are you.How are you,today.I’m 6 . I’m tired.I’m hungry. I’m 7 .I’m hungry. I’m tired.I’m 8 today.Oh. I’d like you’ll be better soon.Hello, Hello, How are you.Hello, Hello, 9 .Hello, Hello, How are you.I’m very well 10 .

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成排布置的配电屏,其长度超过()m时,屏后的通道应设2个出口,并宜布置在通道的两端;当两出口之间的距离超过15m时,其间尚应增加出口。

A. 6
B. 7
C. 8
D. 10

低压柜,双排面对面布置,柜前操作通道最小净距不能小于()m。(不受限制,抽屉柜)

A. 2.3
B. 2.0
C. 1.8
D. 1.5

Put the following sentences into correct order according to the recorder.将下列句子根据所听的音频材料来排序。

8-1-2)正弦量有效值的定义所依据的是正弦量与直流量的().

A. 平均效应等效
B. 能量等价效应等效
C. 平均值等效
D. 时间上等效

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