| 安全生产基本知识 | |
| 1 |
43:20 542 |
| 2 |
50:00 507 |
| 3 |
50:00 529 |
| 4 |
53:20 452 |
| 5 |
26:40 476 |
| 6 |
46:40 456 |
| 7 |
43:20 467 |
| 8 |
43:20 470 |
| 9 |
46:40 452 |
| 10 |
01:06:40 566 |
| 11 |
50:00 474 |
| 12 |
50:00 510 |
| 专业相关基础知识 | |
| 13 |
50:00 450 |
| 14 |
43:20 484 |
| 15 |
01:23:20 485 |
| 16 |
38:20 530 |
| 17 |
25:00 689 |
| 18 |
36:40 464 |
| 19 |
60:00 484 |
| 20 |
38:20 583 |
建筑起重司索信号工01