| 1 |
08:18 837 |
| 2 |
03:02 338 |
| 3 |
00:00 721 |
| 4 |
07:10 630 |
| 5 |
17:29 600 |
| 6 |
14:35 462 |
| 7 |
11:15 559 |
| 8 |
07:20 501 |
| 9 |
11:20 437 |
| 10 |
16:48 553 |
| 11 |
20:08 418 |
| 12 |
33:35 541 |
| 13 |
18:33 452 |
| 14 |
24:00 495 |
| 15 |
24:04 453 |
| 16 |
00:00 508 |
| 17 |
24:04 572 |
| 18 |
24:04 474 |
| 19 |
20:20 764 |
| 20 |
24:04 592 |
| 21 |
24:04 438 |
| 22 |
20:20 463 |
| 23 |
20:20 432 |
| 24 |
00:00 432 |
| 25 |
00:00 432 |
| 26 |
24:04 503 |
| 27 |
00:00 450 |
| 28 |
00:00 477 |
| 29 |
00:00 440 |
| 30 |
00:00 404 |
主体结构常见裂缝检测与鉴定-裂缝的基本知识及产生的原因