An attachment, usually consisting of a ring of copper segments separated by insulating strips, connected with the armature of a dynamo, which, by…
| 单词 | θ77812 |
| 释义 | the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > armature > [noun] > attachment controlling current (1) commutator1880 An attachment, usually consisting of a ring of copper segments separated by insulating strips, connected with the armature of a dynamo, which, by… |
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