| 1 |
13:18 471 |
| 2 |
15:53 372 |
| 3 |
19:53 398 |
| 4 |
25:02 336 |
| 5 |
25:24 344 |
| 6 |
21:52 324 |
| 7 |
17:14 325 |
| 8 |
25:26 395 |
| 9 |
15:21 349 |
| 10 |
12:58 297 |
| 11 |
19:48 348 |
| 12 |
25:26 300 |
| 13 |
14:25 560 |
| 14 |
12:41 322 |
| 15 |
09:55 460 |
| 16 |
12:59 336 |
| 17 |
18:21 402 |
| 18 |
11:27 465 |
| 19 |
11:40 304 |
| 20 |
17:14 306 |
| 21 |
13:11 298 |
| 22 |
07:52 339 |
| 23 |
45:10 354 |
| 24 |
25:58 402 |
| 25 |
15:33 305 |
| 26 |
51:38 345 |
| 27 |
06:38 370 |
| 28 |
05:44 425 |
| 29 |
08:52 392 |
| 30 |
00:00 394 |
| 31 |
00:00 472 |
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00:00 445 |
| 33 |
00:00 365 |
| 34 |
00:00 348 |
| 35 |
00:00 363 |
| 36 |
00:00 370 |
| 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) 00:00 450 |
| 38 |
00:00 403 |
| 39 |
00:00 413 |
| 40 |
00:00 391 |
| 41 |
00:00 327 |
钢结构安装工程挠度检测