| 一段比数L1 | 二段比数L2 | 三段比数L3 |
BF40H | 3, 5, 8, | | |
BF60H | 3,4,5,6,7,9,10 | 12,15,16,20,25,28,30,35,
40,50,60,70,90,100 | 120,150,200,250,300,350,400,450,
500,600,700,900,1000 |
BF90H | 3,4,5,6,7,8,9,10 | 12,15,16,20,21,25,28,30,35,
40,50,60,70,80,90,100 | 120,150,200,250,300,350,400,450,
500,600,700,800,900,1000 |
BF120H | 3,4,5,6,7,8,9,10 | 12,15,16,20,21,25,28,30,35,
40,50,60,70,80,90,100 | 120,150,200,250,300,350,400,450,
500,600,700,800,900,1000 |
BF150H | 3,4,5,6,7,10,12 | 9,15,16,20,21,25,28,30,35,
40,50,70,100,120 | 150,200,250,300,350,400,500,600,
700,1000 |
BF180H | 3,4,5,6,7,10 | 9,12,15,16,20,21,25,28,30,35,
40,50,60,70,100 | |
