| 安全生产基本知识 | |
| 1 |
36:15 841 |
| 2 |
43:52 504 |
| 3 |
40:33 465 |
| 4 |
41:54 477 |
| 5 |
54:29 524 |
| 6 |
40:52 459 |
| 7 |
57:17 489 |
| 8 |
35:20 493 |
| 9 |
45:07 456 |
| 10 |
45:43 464 |
| 11 |
45:03 498 |
| 12 |
46:07 493 |
| 专业相关基础知识 | |
| 13 |
01:03:54 421 |
| 14 |
49:48 450 |
| 15 |
45:35 428 |
| 16 |
29:46 442 |
| 17 |
46:00 463 |
| 18 |
53:16 475 |
| 19 |
53:15 503 |
| 20 |
51:17 398 |
| 21 |
28:28 495 |
| 22 |
36:56 520 |
汽车式起重机3