| 安全生产基本知识 | |
| 1 |
43:20 355 |
| 2 |
50:00 332 |
| 3 |
50:00 339 |
| 4 |
53:20 280 |
| 5 |
26:40 341 |
| 6 |
46:40 313 |
| 7 |
43:20 344 |
| 8 |
43:20 319 |
| 9 |
46:40 308 |
| 10 |
01:06:40 326 |
| 11 |
50:00 297 |
| 12 |
50:00 331 |
| 专业相关基础知识 | |
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58:20 342 |
| 14 |
28:20 325 |
| 15 |
31:40 320 |
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40:00 345 |
| 17 |
56:40 334 |
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26:40 315 |
| 19 |
45:00 338 |
| 20 |
13:20 331 |
| 21 |
01:08:20 358 |
| 22 |
36:40 308 |
门桥及汽车式起重机08