◆总牵伸数(V)、后区牵伸倍数(Vv)、前区牵伸倍数(Hv)
|
V
|
Vv
|
Hv
|
Vv
|
Hv
|
Vv
|
Hv
|
Vv
|
Hv
|
Vv
|
Hv
|
|
25
|
1.26
|
20
|
|
|
|
|
|
|
|
|
|
30
|
1.26
|
24
|
1.36
|
22
|
|
|
|
|
|
|
|
35
|
1.26
|
28
|
1.36
|
26
|
1.44
|
24
|
|
|
|
|
|
40
|
1.26
|
32
|
1.36
|
29
|
1.44
|
28
|
1.58
|
25
|
|
|
|
45
|
|
|
1.36
|
33
|
1.44
|
31
|
1.58
|
28
|
1.74
|
26
|
|
50
|
|
|
|
|
1.44
|
35
|
1.58
|
32
|
1.74
|
29
|
|
55
|
|
|
|
|
|
|
1.58
|
35
|
1.74
|
32
|
◆FA506,V型牵伸一后区牵伸倍数i,Zh中罗拉头牙,Zm中罗拉传动牙
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