| 安全生产基本知识 | |
| 1 |
43:20 467 |
| 2 |
50:00 442 |
| 3 |
50:00 459 |
| 4 |
53:20 396 |
| 5 |
26:40 456 |
| 6 |
46:40 433 |
| 7 |
43:20 461 |
| 8 |
43:20 431 |
| 9 |
46:40 406 |
| 10 |
01:06:40 443 |
| 11 |
50:00 410 |
| 12 |
50:00 444 |
| 专业相关基础知识 | |
| 13 |
58:20 480 |
| 14 |
28:20 445 |
| 15 |
31:40 446 |
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40:00 514 |
| 17 |
56:40 451 |
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26:40 422 |
| 19 |
45:00 477 |
| 20 |
13:20 445 |
| 21 |
01:08:20 482 |
| 22 |
36:40 415 |
门桥及汽车式起重机08