| 安全生产基本知识 | |
| 1 |
43:20 463 |
| 2 |
50:00 484 |
| 3 |
50:00 418 |
| 4 |
53:20 453 |
| 5 |
26:40 474 |
| 6 |
46:40 437 |
| 7 |
43:20 358 |
| 8 |
43:20 485 |
| 9 |
46:40 435 |
| 10 |
01:06:40 406 |
| 11 |
50:00 448 |
| 12 |
50:00 420 |
| 专业相关基础知识 | |
| 13 |
58:20 552 |
| 14 |
28:20 430 |
| 15 |
31:40 444 |
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40:00 500 |
| 17 |
56:40 458 |
| 18 |
26:40 465 |
| 19 |
45:00 450 |
| 20 |
13:20 417 |
| 21 |
01:08:20 451 |
| 22 |
36:40 476 |
门桥及汽车式起重机10