| 1 |
13:18 491 |
| 2 |
15:53 397 |
| 3 |
19:53 414 |
| 4 |
25:02 361 |
| 5 |
25:24 365 |
| 6 |
21:52 348 |
| 7 |
17:14 345 |
| 8 |
25:26 415 |
| 9 |
15:21 362 |
| 10 |
12:58 320 |
| 11 |
19:48 369 |
| 12 |
25:26 317 |
| 13 |
14:25 596 |
| 14 |
12:41 337 |
| 15 |
09:55 488 |
| 16 |
12:59 355 |
| 17 |
18:21 437 |
| 18 |
11:27 480 |
| 19 |
11:40 321 |
| 20 |
17:14 323 |
| 21 |
13:11 320 |
| 22 |
07:52 365 |
| 23 |
45:10 372 |
| 24 |
25:58 423 |
| 25 |
15:33 323 |
| 26 |
51:38 362 |
| 27 |
06:38 397 |
| 28 |
05:44 451 |
| 29 |
08:52 412 |
| 30 |
00:00 412 |
| 31 |
00:00 505 |
| 32 |
00:00 468 |
| 33 |
00:00 398 |
| 34 |
00:00 369 |
| 35 |
00:00 392 |
| 36 |
00:00 385 |
| 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) 00:00 486 |
| 38 |
00:00 426 |
| 39 |
00:00 439 |
| 40 |
00:00 413 |
| 41 |
00:00 345 |
钢板的超声检测(GB/T 2970-2016)