Engineering, 16.06.2021 14:00 kingdomGemini
Truyền động trên nguyên lý Ma sát, ăn khớp hoặc kết hợp ma sát + ăn khớp ?
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Truyền động trên nguyên lý Ma sát, ăn khớp hoặc kết hợp ma sát + ăn khớp ?...
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