齿数z 模数0.5 (0.75) 1 (1.25) 1.5 (1.75) 2 2.5 3 (4) 5 (6) (8) 10 10 5.5 8.25 11 13.75 16.5 19.25 22 27.5 33 44 55 66 88 110 11 6 9 12 15 18 21 24 30 36 48 60 72 96 120 12 6.5 9.75 13 16.25 19.5 22.75 26 32.5 39 52 65 78 104 130
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