| 1 |
13:18 486 |
| 2 |
15:53 394 |
| 3 |
19:53 412 |
| 4 |
25:02 358 |
| 5 |
25:24 363 |
| 6 |
21:52 345 |
| 7 |
17:14 342 |
| 8 |
25:26 412 |
| 9 |
15:21 360 |
| 10 |
12:58 314 |
| 11 |
19:48 366 |
| 12 |
25:26 315 |
| 13 |
14:25 592 |
| 14 |
12:41 335 |
| 15 |
09:55 484 |
| 16 |
12:59 353 |
| 17 |
18:21 433 |
| 18 |
11:27 478 |
| 19 |
11:40 319 |
| 20 |
17:14 320 |
| 21 |
13:11 317 |
| 22 |
07:52 362 |
| 23 |
45:10 368 |
| 24 |
25:58 421 |
| 25 |
15:33 321 |
| 26 |
51:38 357 |
| 27 |
06:38 393 |
| 28 |
05:44 448 |
| 29 |
08:52 410 |
| 30 |
00:00 410 |
| 31 |
00:00 500 |
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00:00 466 |
| 33 |
00:00 394 |
| 34 |
00:00 366 |
| 35 |
00:00 389 |
| 36 |
00:00 382 |
| 37 |
钢结构用钢材拉伸性能试验(屈服强度、抗拉强度、断后伸长率、断面收缩率) 00:00 479 |
| 38 |
00:00 424 |
| 39 |
00:00 434 |
| 40 |
00:00 410 |
| 41 |
00:00 342 |
钢结构的磁化方法(磁轭法)