| 1 |
00:00 366 |
| 2 |
00:00 369 |
| 3 |
00:00 424 |
| 4 |
00:00 434 |
| 5 |
00:00 366 |
| 6 |
00:00 371 |
| 7 |
00:00 362 |
| 8 |
00:00 338 |
| 9 |
00:00 325 |
| 10 |
00:00 366 |
| 11 |
00:00 313 |
| 12 |
00:00 315 |
| 13 |
00:00 327 |
| 14 |
00:00 299 |
| 15 |
00:00 400 |
金属材料洛氏硬度试验