| 安全生产基本知识 | |
| 1 |
43:20 514 |
| 2 |
50:00 465 |
| 3 |
50:00 485 |
| 4 |
53:20 425 |
| 5 |
26:40 458 |
| 6 |
46:40 443 |
| 7 |
43:20 442 |
| 8 |
43:20 447 |
| 9 |
46:40 423 |
| 10 |
01:06:40 489 |
| 11 |
50:00 441 |
| 12 |
50:00 445 |
| 专业相关基础知识 | |
| 13 |
50:00 395 |
| 14 |
43:20 457 |
| 15 |
01:23:20 422 |
| 16 |
38:20 459 |
| 17 |
25:00 558 |
| 18 |
36:40 399 |
| 19 |
60:00 445 |
| 20 |
38:20 486 |
建筑起重司索信号工04