Report copyright - Helical Tooth System Quality 3 Module:5 ~ 12 Rack... · 2020-07-14 · 齒向 Ra ≤ 0.5 Ra ≤ 0.5 Ra ≤ 1.0 Ra ≤ 1.6 齒形 Ra ≤ 1.0 Ra ≤ 1.0 Ra ≤ 3.0 6.3 邊 Ra ≤
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