40
Brass
1
2
3
4
5
6
8
10
12
14
16
氧气 Copper
1
2
3
4
5
6
8
10
0.15-0.2
18
35-40
10000 N2
12
22-27
12
15-20
12
12-15
12
10-11
14
6-7
14
4-5
14
3.5-4
14
1.6-2
14
0.8-1
16
0.5-0.7
16
25-30
10000 O2
14
16-20
14
12-15
14
8-10
12
5-6
12
3.5-4
12
1.5-2
12
0.5-0.7
12
    "