DIY蒸汽動力噗噗船

SKU: K345
$20.00
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SKU: K345 Category:

材質:塑料/塑膠

尺寸:133*60mm

描述

蒸汽機工作原理
齒輪傳動是指壹對相同模數的齒輪相互齧合將動力由甲軸傳送給乙軸完成動力傳遞的壹種方式。

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