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【简答题】
解释什么是 2+2 罗纹?请比较 2 × 1 罗纹与 2 × 2 罗纹的异同。
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参考答案:
举一反三
【单选题】异步电动机的机械特性曲线,当电源电压下降时,Tmax及Sm将分别()。
A.
不变,不变
B.
不变,减小
C.
减小,不变
D.
减小,减小
查看完整题目与答案
【单选题】Oxford for __________, Cambridge for __________.
A.
science, humanity
B.
humanity, science
C.
sciences, humanities
D.
humanities, sciences
查看完整题目与答案
【单选题】下列不属于地表排水设施的是
A.
排水沟
B.
边沟
C.
渗沟
D.
截水沟
查看完整题目与答案
【单选题】My friend ______ from the UK. She studied at Oxford for four years, during which we communicated with each other on the Internet.
A.
stepped
B.
has returned
C.
went
D.
has learned
查看完整题目与答案
【单选题】下列不属于路基地表排水的设施是( )。
A.
边沟
B.
渗沟
C.
截水沟
D.
排水沟
查看完整题目与答案
【单选题】异步电动机的机械特性曲线,当电源电压下降时,Tmax及Tsm将分别( )。
A.
不变,不变
B.
不变,减小
C.
减小,不变
D.
减小,减小
查看完整题目与答案
【单选题】Shelley was expelled from Oxford for publishing ______.
A.
“Ode to Psyche”
B.
“The Necessity of Atheism”
C.
“The Cloud”
D.
“ The Spirit of Solitude”
查看完整题目与答案
【单选题】My friend has returned from the UK. She ______ at Oxford for four years, during which time we communicated with each other on the Internet.
A.
had studied
B.
has been studying
C.
has studied
D.
studied
查看完整题目与答案
【单选题】My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.
A.
studied
B.
has studied
C.
had studied
D.
has been studying
查看完整题目与答案
【单选题】异步电动机的机械特性曲线,当电源电压下降时, Tmax 及 Sm 将分别( )。
A.
不变、不变
B.
减小,减小
C.
减小,不变
D.
不变,减小
查看完整题目与答案
相关题目:
【单选题】异步电动机的机械特性曲线,当电源电压下降时,Tmax及Sm将分别()。
A.
不变,不变
B.
不变,减小
C.
减小,不变
D.
减小,减小
查看完整题目与答案
【单选题】Oxford for __________, Cambridge for __________.
A.
science, humanity
B.
humanity, science
C.
sciences, humanities
D.
humanities, sciences
查看完整题目与答案
【单选题】下列不属于地表排水设施的是
A.
排水沟
B.
边沟
C.
渗沟
D.
截水沟
查看完整题目与答案
【单选题】My friend ______ from the UK. She studied at Oxford for four years, during which we communicated with each other on the Internet.
A.
stepped
B.
has returned
C.
went
D.
has learned
查看完整题目与答案
【单选题】下列不属于路基地表排水的设施是( )。
A.
边沟
B.
渗沟
C.
截水沟
D.
排水沟
查看完整题目与答案
【单选题】异步电动机的机械特性曲线,当电源电压下降时,Tmax及Tsm将分别( )。
A.
不变,不变
B.
不变,减小
C.
减小,不变
D.
减小,减小
查看完整题目与答案
【单选题】Shelley was expelled from Oxford for publishing ______.
A.
“Ode to Psyche”
B.
“The Necessity of Atheism”
C.
“The Cloud”
D.
“ The Spirit of Solitude”
查看完整题目与答案
【单选题】My friend has returned from the UK. She ______ at Oxford for four years, during which time we communicated with each other on the Internet.
A.
had studied
B.
has been studying
C.
has studied
D.
studied
查看完整题目与答案
【单选题】My friend has returned from the UK. She ______ at Oxford for four years, during which we communicated with each other on the Internet.
A.
studied
B.
has studied
C.
had studied
D.
has been studying
查看完整题目与答案
【单选题】异步电动机的机械特性曲线,当电源电压下降时, Tmax 及 Sm 将分别( )。
A.
不变、不变
B.
减小,减小
C.
减小,不变
D.
不变,减小
查看完整题目与答案
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