| 安全生产基本知识 | |
| 1 |
43:20 393 |
| 2 |
50:00 308 |
| 3 |
50:00 296 |
| 4 |
53:20 310 |
| 5 |
26:40 296 |
| 6 |
46:40 299 |
| 7 |
43:20 279 |
| 8 |
43:20 289 |
| 9 |
46:40 300 |
| 10 |
01:06:40 272 |
| 11 |
50:00 282 |
| 12 |
50:00 310 |
| 专业相关基础知识 | |
| 13 |
58:20 300 |
| 14 |
28:20 332 |
| 15 |
31:40 331 |
| 16 |
40:00 337 |
| 17 |
56:40 308 |
| 18 |
26:40 331 |
| 19 |
45:00 330 |
| 20 |
13:20 330 |
| 21 |
01:08:20 315 |
| 22 |
36:40 337 |
门桥及汽车式起重机02