材质 
ST2.2
0.8
0.8
0.25
4.2
3.8
3.20
2
1.7
0.1
3.00
2.86
2.24
2.1
1.63
1.52
ST2.9
1.1
1.1
0.4
6.3
5.8
4.28
2.8
2.5
0.1
4.00
3.82
2.9
2.76
2.18
2.08
ST3.5
1.3
1.3
0.6
8.3
7.6
5.96
3.4
3
0.1
5.50
5.32
3.53
3.35
2.64
2.51
ST3.9
1.3
1.3
0.6
8.3
7.6
5.96
3.4
3
0.2
5.50
5.32
3.91
3.73
2.92
2.77
ST4.2
1.4
1.4
0.8
8.8
8.1
7.59
4.1
3.6
0.2
7.00
6.78
4.22
4.04
3.1
2.95
ST4.8
1.6
1.6
0.9
10.5
9.8
8.71
4.3
3.8
0.2
8.00
7.78
4.8
4.62
3.58
3.43
ST5.5
1.8
1.8
1.0
11
10
8.71
5.4
4.8
0.25
8.00
7.78
5.46
5.28
4.17
3.99
ST6.3
1.8
1.8
1.0
13.5
12.2
10.95
5.9
5.3
0.25
10.00
9.78
6.25
6.03
4.88
4.7
ST8
2.1
2.1
1.2
18
16.7
14.26
7
6.4
0.4
13.00
12.73
8
7.78
6.2
5.99