| 安全生产基本知识 | |
| 1 |
43:20 106 |
| 2 |
50:00 98 |
| 3 |
50:00 103 |
| 4 |
53:20 101 |
| 5 |
26:40 98 |
| 6 |
46:40 112 |
| 7 |
43:20 89 |
| 8 |
43:20 100 |
| 9 |
46:40 98 |
| 10 |
01:06:40 105 |
| 11 |
50:00 101 |
| 12 |
50:00 87 |
| 专业相关基础知识 | |
| 13 |
48:20 100 |
| 14 |
48:20 113 |
| 15 |
38:20 98 |
| 16 |
36:40 101 |
| 17 |
50:00 112 |
| 18 |
60:00 98 |
| 19 |
33:20 103 |
| 20 |
16:40 108 |
| 21 |
48:20 121 |
物料提升机04