
变速传动
适用年级 1-6 年级
key word:Digital inquiry experiment system
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原理
带有变速齿轮的主传动通过少数几对齿轮传动,扩大变速范围,低速获得大扭矩、使主传动成为分段无级变速,无振动,噪声小。
目的
了解变速传动方式及特点,知道变速传动在生活中的应用。
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