| 安全生产基本知识 | |
| 1 |
43:20 644 |
| 2 |
50:00 441 |
| 3 |
50:00 592 |
| 4 |
53:20 638 |
| 5 |
26:40 578 |
| 6 |
46:40 613 |
| 7 |
43:20 578 |
| 8 |
43:20 548 |
| 9 |
46:40 564 |
| 10 |
01:06:40 554 |
| 11 |
50:00 546 |
| 12 |
50:00 585 |
| 专业相关基础知识 | |
| 13 |
58:20 620 |
| 14 |
28:20 654 |
| 15 |
31:40 610 |
| 16 |
40:00 586 |
| 17 |
56:40 614 |
| 18 |
26:40 591 |
| 19 |
45:00 622 |
| 20 |
13:20 563 |
| 21 |
01:08:20 589 |
| 22 |
36:40 552 |
门桥及汽车式起重机01