lethibedat lethibedat

13-11-2022
Advanced Placement (AP)

contestada

2. Tính toán thiết kế các chi tiết máy: a. Tính toán các bộ truyền hở (đai hoặc xích). b. Tính các bộ truyền trong hộp giảm tốc (bánh răng, trục vít). c. Tính toán thiết kế trục và then. d. Chọn ổ lăn và nối trục

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