孔径
|
材料厚度d
|
相邻孔中心距a
|
排列方式
|
B(平板)
|
L
|
1
|
0.5
|
1.5
|
N
|
1250/1500
|
2500
|
1.1
|
0.6
|
1.6
|
N
|
||
1.5
|
0.8
|
2.0
|
N
|
||
1.8
|
1
|
3
|
N
|
||
1.8
|
1
|
3.3
|
N
|
||
2
|
1.5
|
2.5
|
N
|
||
2.2
|
1.5
|
3.2
|
N
|
||
3
|
1.5
|
4
|
N
|
||
3
|
2
|
4.2
|
N
|
||
3
|
2
|
5
|
N
|
||
3
|
2
|
6
|
N
|
||
2.5
|
1.5
|
4.5
|
N
|
||
2.5
|
2
|
5
|
N
|
||
3
|
2
|
4.5
|
N
|
||
3.5
|
2
|
4.7
|
N
|
||
3.5
|
2
|
4.85
|
N
|
||
3.6
|
2
|
6.9
|
N
|
||
4
|
2
|
5
|
N
|
||
4
|
2
|
5.5
|
N
|
||
4
|
2
|
5.8
|
N
|
||
4
|
2
|
8
|
N
|
