Engineering, 14.06.2021 06:20 Hardeep8560

Thế nào là lắp ghép theo hệ thống lỗ cơ sở? Nêu những đặc trưng cơ bản của hệ thống lỗ? Hãy giải thích kí hiệu mối lắp ghép Ø40 H7/js6 .

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Thế nào là lắp ghép theo hệ thống lỗ cơ sở? Nêu những đặc trưng cơ bản của hệ thống lỗ? Hãy giải thí...