规格.型号、尺寸表 XXH型（ 节距=31.750MM)
规格 节线长 齿数
700 XXH 1778.00 56
800 XXH 2032.00 64
900 XXH 2286.00 72
1000 XXH 2540.00 80
1200 XXH 3048.00 96
1400 XXH 3556.00 112
1563 XXH 3968.75 125
1600 XXH 4064.00 128
1700 XXH 4318.00 136
1800 XXH 4572.00 144