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【判断题】
RCD的选择,必须考虑用电设备和电路正常泄漏电流的影响。 A. 对 B. 错A.
正确
B.
错误
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举一反三
【单选题】Current account means a demand account, which is called a _____in the West.
A.
fixed account
B.
tmie account
C.
checking account
D.
call deposits
【单选题】差速器的运动规律是:假设一个半轴齿轮的转速为n1,另一个半轴齿轮的转速为n2,差速器壳的转速为n,则有( )
A.
n1+ n2=n
B.
n1+ n2=2 n
C.
n1- n2=n
D.
n1=n2=n/2
【单选题】— Hello, I would like to open an account. — _______
A.
Which account do you want to see?
B.
Have you make up your mind?
C.
What kind of account do you have in mind?
D.
You’re welcome.
【单选题】差速器的运动规律是,设一个半轴齿轮的转速为n1,另一个半轴齿轮的转速为n2,差速器壳的转速为n0,则:
A.
n2+n1=n0
B.
n2+n1=2n0
C.
n2一n1=n0
D.
n1一n2=n0
【单选题】Which of the following does not belong to current assets?
A.
cash
B.
account payable
C.
account receivable
D.
note receivable
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