| d
|
|
| d2
|
|
| d3
|
≈ |
| g
|
|
| s
|
|
| f
|
|
| h
|
≈ |
| r
|
|
| 千件重(钢制)≈kg
|
|
|
| 3.2 |
3.7 |
4.3 |
5.3 |
6.4 |
7.4 |
8.4 |
10.5 |
13 |
| 12 |
12 |
14 |
17 |
19 |
19 |
22 |
26 |
30 |
| 8 |
8 |
10 |
12 |
14 |
14 |
16 |
20 |
24 |
| 4.5 |
4.5 |
5.5 |
7 |
7.5 |
7.5 |
8.5 |
10 |
12 |
| 0.4 |
0.4 |
0.4 |
0.75 |
0.75 |
0.75 |
1 |
1 |
1.2 |
| 2.5 |
2.5 |
2.5 |
3.5 |
3.5 |
3.5 |
3.5 |
4.5 |
4.5 |
| 2 |
2 |
2 |
2.5 |
3 |
3 |
4 |
4 |
4.5 |
| 0.4 |
0.4 |
0.4 |
0.6 |
0.6 |
0.6 |
1 |
1 |
1 |
| 0.33 |
0.32 |
0.44 |
1.20 |
1.48 |
1.42 |
2.54 |
3.49 |
5.48 |
|