Basic Machines and How They Work
Basic Machines and How They Work
$350
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A simple introduction to the principles of mechanical engineering which presupposes only an elementary knowledge of mathematics
※因拍攝略有色差，圖片僅供參考，顏色請以實際收到商品為準※
※因拍攝略有色差，圖片僅供參考，顏色請以實際收到商品為準※
