| 单词 | iron core |
| 释义 | iron core This meant that its molten iron core cooled and solidified. The Sun Other examples of nonlinear elements are transistors and other semiconductor devices, vacuum tubes, and iron core inductors and transformers when operated above their saturation current. Retrieved from Wikipedia CC BY-SA 3.0 The size of the iron core, the number of turns of wire, and the size of the wire determine the electrical properties of the coil. Retrieved from Wikipedia CC BY-SA 3.0 The primary wire was wound concentrically over an iron core; the secondary was wound over that. Retrieved from Wikipedia CC BY-SA 3.0 The reeds are powered magnetically, by a single solenoid coil and an iron core wrapped between the ends of the reeds. Retrieved from Wikipedia CC BY-SA 3.0 |
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