| 安全生产基本知识 | |
| 1 |
43:20 418 |
| 2 |
50:00 385 |
| 3 |
50:00 399 |
| 4 |
53:20 331 |
| 5 |
26:40 403 |
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46:40 371 |
| 7 |
43:20 399 |
| 8 |
43:20 372 |
| 9 |
46:40 352 |
| 10 |
01:06:40 378 |
| 11 |
50:00 350 |
| 12 |
50:00 375 |
| 专业相关基础知识 | |
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58:20 401 |
| 14 |
28:20 383 |
| 15 |
31:40 377 |
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40:00 410 |
| 17 |
56:40 391 |
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26:40 365 |
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45:00 392 |
| 20 |
13:20 389 |
| 21 |
01:08:20 415 |
| 22 |
36:40 360 |
门桥及汽车式起重机08