| 安全生产基本知识 | |
| 1 |
43:20 550 |
| 2 |
50:00 518 |
| 3 |
50:00 540 |
| 4 |
53:20 464 |
| 5 |
26:40 486 |
| 6 |
46:40 465 |
| 7 |
43:20 476 |
| 8 |
43:20 481 |
| 9 |
46:40 463 |
| 10 |
01:06:40 580 |
| 11 |
50:00 486 |
| 12 |
50:00 528 |
| 专业相关基础知识 | |
| 13 |
50:00 458 |
| 14 |
43:20 496 |
| 15 |
01:23:20 492 |
| 16 |
38:20 544 |
| 17 |
25:00 702 |
| 18 |
36:40 478 |
| 19 |
60:00 497 |
| 20 |
38:20 600 |
塔式起重机03