A8600

Which of the following are the major parts of a DC motor?1.Armature assembly.2.Field assembly.3.Brush assembly.4.Commutator.5.Pole piece.6.Rheostat.7.End frame.

发布于 2021-02-18 21:52:55

【单选题】
A 1,2, 3,1.
B 2,3, 4, 5.
C 3, 5.6, 7.

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阿银。 2023-02-18

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