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【单选题】
下列关于鼓风机调速电阻器描述错误的是A.
电阻器断路需要更换电阻器总成
B.
电阻器的材料多为镍铬丝
C.
电阻器如断裂可进行焊接修复
D.
电阻器热保护器损坏需要更换
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举一反三
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【简答题】monogamous unilateral monotheism monograph 1. The President is allowed to make some ___ decisions without asking Congress’s permission. 2. Most religious group in this country practice one or anot...
【单选题】All the following sentences definitely indicate future time EXCEPT A. Mother is to have tea with Aunt Betty at four. B. The President is coming to the UN next week, C. The school pupils will be home b...
A.
选择1
B.
选择2
C.
选择3
D.
选择4
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