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发表于2024-11-30
Basic Machines and How They Work pdf epub mobi txt 电子书 下载 2024
Only elementary math skills are needed to follow this manual, which covers many machines and their components, including hydrostatics and hydraulics, internal combustion engines, trains, and more. 204 black-and-white illustrations.
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Basic Machines and How They Work pdf epub mobi txt 电子书 下载 2024