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Crawler 机器虫实验

了解机器是由一个或一个以上的机器组成,用来做作有用功或完成机械能与其他形式的能量之间的转换。了解机械的一种传动方式:齿轮的啮合传动。

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RM25.00

30 in stock

ISBN

6943278500343

CATEGORY

Uncategorized

WEIGHT

0.2 KG

DIMENSIONS

N/A