131   Roundness:20 25 30 35 40 45 50 55 60   Model:2 4 6 8 10 12 14 16 18	122 镀锌    Roundness:2 4 6 8 10 12 14 16 18 20
108   Roundness:20 25 30 35 40 45 50   Model: 2 4 6 8 10 12 14	328   Roundness:20 25 30 35 40 45 50 55 60   Model:2 4 6 8 10 12 14 16 18
122 镀铜  Roundness:6 8 10 12 14 16 18 20 22 24	102   Roundness: 20 25 30 35 40 45 50 55              60 65 70   Model:2 4 6 8 10 12 14 16 18 20 22