材质 
ST2.2
0.8
0.8
4.3
4
1.3
1
2.4
1.1
1.35
ST2.9
1.1
1.1
5.5
5.2
1.7
1
2.8
1.48
1.73
ST3.5
1.3
1.3
6.8
6.44
2.1
2
4
1.6
2.06
ST3.9
1.3
1.3
7.5
7.14
2.3
2
4.2
1.85
2.31
ST4.2
1.4
1.4
8.1
7.74
2.5
2
4.4
2.05
2.51
ST4.8
1.6
1.6
9.5
9.14
3
2
5
2.64
3.1
ST5.5
1.8
1.8
10.8
10.37
3.4
3
6.3
2.72
3.18
ST6.3
1.8
1.8
12.4
11.97
3.8
3
7
3.38
3.84