| 安全生产基本知识 | |
| 1 |
43:20 554 |
| 2 |
50:00 369 |
| 3 |
50:00 498 |
| 4 |
53:20 533 |
| 5 |
26:40 496 |
| 6 |
46:40 512 |
| 7 |
43:20 504 |
| 8 |
43:20 473 |
| 9 |
46:40 489 |
| 10 |
01:06:40 484 |
| 11 |
50:00 461 |
| 12 |
50:00 496 |
| 专业相关基础知识 | |
| 13 |
58:20 521 |
| 14 |
28:20 551 |
| 15 |
31:40 502 |
| 16 |
40:00 489 |
| 17 |
56:40 537 |
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26:40 489 |
| 19 |
45:00 525 |
| 20 |
13:20 482 |
| 21 |
01:08:20 489 |
| 22 |
36:40 473 |
门桥及汽车式起重机08