发表于2024-12-02
Machines 2024 pdf epub mobi 电子书
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This lively and practical book looks at the enormous variety of machines and how they work. Fascinating and easy-to-do projects, such as making your own gears and belt drives, constructing a water-wheel and an Archimedean screw, or making your very own vacuum cleaner, will help you to understand the principles that are used to make machines work.
Machines 2024 pdf epub mobi 电子书