| 安全生产基本知识 | |
| 1 |
43:20 701 |
| 2 |
50:00 537 |
| 3 |
50:00 606 |
| 4 |
53:20 576 |
| 5 |
26:40 516 |
| 6 |
46:40 496 |
| 7 |
43:20 488 |
| 8 |
43:20 536 |
| 9 |
46:40 493 |
| 10 |
01:06:40 472 |
| 11 |
50:00 439 |
| 12 |
50:00 409 |
| 专业相关基础知识 | |
| 13 |
25:00 509 |
| 14 |
36:40 451 |
| 15 |
60:00 507 |
| 16 |
38:20 460 |
| 17 |
26:40 402 |
| 18 |
43:20 458 |
| 19 |
01:23:20 492 |
| 20 |
38:20 588 |
塔式起重机01