4586| 50
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一台难弄的风扇 |
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点评
可能是轴与轴承之间的间隙 已经超过 转子与定子之间的间隙 当通电 转子与定子被吸住了, 只要将轴承套 缩小一点 就可以了.
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点评
超声波振子:http://www.ctwxd.com/forum.php?mod=viewthread&tid=7140&highlight=%B3%AC%C9%F9%B2%A8
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