| 安全生产基本知识 | |
| 1 |
43:20 888 |
| 2 |
50:00 773 |
| 3 |
50:00 852 |
| 4 |
53:20 734 |
| 5 |
26:40 760 |
| 6 |
46:40 730 |
| 7 |
43:20 733 |
| 8 |
43:20 739 |
| 9 |
46:40 676 |
| 10 |
01:06:40 782 |
| 11 |
50:00 718 |
| 12 |
50:00 727 |
| 专业相关基础知识 | |
| 13 |
50:00 646 |
| 14 |
43:20 745 |
| 15 |
01:23:20 699 |
| 16 |
38:20 757 |
| 17 |
25:00 815 |
| 18 |
36:40 647 |
| 19 |
60:00 741 |
| 20 |
38:20 790 |
塔式起重机01