| 安全生产基本知识 | |
| 1 |
43:20 431 |
| 2 |
50:00 438 |
| 3 |
50:00 433 |
| 4 |
53:20 441 |
| 5 |
26:40 434 |
| 6 |
46:40 448 |
| 7 |
43:20 397 |
| 8 |
43:20 484 |
| 9 |
46:40 450 |
| 10 |
01:06:40 427 |
| 11 |
50:00 425 |
| 12 |
50:00 407 |
| 专业相关基础知识 | |
| 13 |
48:20 407 |
| 14 |
48:20 422 |
| 15 |
38:20 405 |
| 16 |
36:40 425 |
| 17 |
50:00 419 |
| 18 |
60:00 437 |
| 19 |
33:20 434 |
| 20 |
16:40 439 |
| 21 |
48:20 516 |
施工升降机02