| 安全生产基本知识 | |
| 1 |
43:20 391 |
| 2 |
50:00 397 |
| 3 |
50:00 343 |
| 4 |
53:20 363 |
| 5 |
26:40 362 |
| 6 |
46:40 362 |
| 7 |
43:20 296 |
| 8 |
43:20 398 |
| 9 |
46:40 362 |
| 10 |
01:06:40 338 |
| 11 |
50:00 368 |
| 12 |
50:00 341 |
| 专业相关基础知识 | |
| 13 |
58:20 411 |
| 14 |
28:20 332 |
| 15 |
31:40 355 |
| 16 |
40:00 396 |
| 17 |
56:40 377 |
| 18 |
26:40 386 |
| 19 |
45:00 365 |
| 20 |
13:20 333 |
| 21 |
01:08:20 374 |
| 22 |
36:40 376 |
门桥及汽车式起重机04