| 安全生产基本知识 | |
| 1 |
43:20 296 |
| 2 |
50:00 222 |
| 3 |
50:00 227 |
| 4 |
53:20 225 |
| 5 |
26:40 209 |
| 6 |
46:40 225 |
| 7 |
43:20 218 |
| 8 |
43:20 214 |
| 9 |
46:40 220 |
| 10 |
01:06:40 210 |
| 11 |
50:00 216 |
| 12 |
50:00 222 |
| 专业相关基础知识 | |
| 13 |
58:20 234 |
| 14 |
28:20 243 |
| 15 |
31:40 239 |
| 16 |
40:00 249 |
| 17 |
56:40 228 |
| 18 |
26:40 248 |
| 19 |
45:00 248 |
| 20 |
13:20 244 |
| 21 |
01:08:20 236 |
| 22 |
36:40 232 |
门桥及汽车式起重机01