| 安全生产基本知识 | |
| 1 |
47:30 636 |
| 2 |
01:33:50 445 |
| 3 |
01:09:35 477 |
| 4 |
01:10:00 476 |
| 专业相关基础知识 | |
| 5 |
45:00 589 |
| 6 |
49:00 463 |
| 7 |
45:00 444 |
| 8 |
44:00 443 |
| 9 |
01:18:00 477 |
| 10 |
01:07:00 534 |
| 11 |
47:00 450 |
| 12 |
01:30:00 426 |
| 13 |
31:00 480 |
起重司索信号工05