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【单选题】
单相半波可控整流电路带电阻性负载,在α=60°时输出电流平均值为10A,则晶闸的有效值( )。A.
5A
B.
10A
C.
17A
D.
需要查波形系数才能确定
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【简答题】Parts of the beach and highway were ___1___ with dead dogs, cats, and cattle. Strips of clothing ___2___ the standing trees, and blown-down power lines _____3____ like black spaghetti ______4____ the ...
【简答题】Blown-down power lines coiled like black spaghetti over the roads. The rhetorical device adopted in the sentence is ___________.
【简答题】Steven just had a power failure. Now he is calling his landlord to ask for help. Steven : Mr.Sellers? It's Steven speaking, your tenant. We've just suffered a power failure. What should I do now? Mr.S...
【单选题】...blown-down power lines coiled like black spaghetti over the roads.
A.
hyperbole
B.
metaphor
C.
simile
D.
transferred epithet
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