材质 
MJ5
0.8
8.8
8
7.85
3.5
3.2
MJ6
1
11
10
9.85
4.5
4.2
MJ8
1.25|1
13.2
12
11.82
5
4.7
MJ10
1.5|1.25
15.5
14
13.82
6
5.7
MJ12
1.5|1.25
18.8
17
16.82
7
6.64
MJ14
1.5
21.1
19
18.79
8
7.64
MJ16
1.5
24.6
22
21.79
9
8.64
MJ18
1.5
26.8
24
23.79
10
9.64
MJ20
1.5
30.2
27
26.79
12
11.57
MJ22
1.5
33.6
30
29.79
13
12.57
MJ24
2|1.5
35.8
32
31.75
14
13.57