材质 
ST2.2
0.8
0.8
4.3
4
0.7
1.3
1
2.4
1.1
1.35
ST2.9
1.1
1.1
5.5
5.2
0.9
1.7
1
3.1
1.83
2.08
ST3.5
1.3
1.3
6.8
6.44
1.2
2.1
2
4.3
1.88
2.34
ST3.9
1.3
1.3
7.5
7.14
1.3
2.3
2
4.4
2
2.46
ST4.2
1.4
1.4
8.1
7.74
1.4
2.5
2
4.6
2.26
2.72
ST4.8
1.6
1.6
9.5
9.14
1.5
3
2
5.1
2.69
3.15
ST5.5
1.8
1.8
10.8
10.37
1.7
3.4
3
6.6
2.92
3.38
ST6.3
1.8
1.8
12.4
11.97
2
3.8
3
7.1
3.4
3.86