| 安全生产基本知识 | |
| 1 |
36:15 751 |
| 2 |
43:52 442 |
| 3 |
40:33 417 |
| 4 |
41:54 481 |
| 5 |
54:29 447 |
| 6 |
40:52 405 |
| 7 |
57:17 386 |
| 8 |
35:20 400 |
| 9 |
45:27 434 |
| 10 |
45:43 406 |
| 11 |
45:03 386 |
| 12 |
46:07 386 |
| 专业相关基础知识 | |
| 13 |
40:55 390 |
| 14 |
43:46 403 |
| 15 |
53:25 446 |
| 16 |
50:22 422 |
| 17 |
35:27 402 |
| 18 |
51:16 429 |
| 19 |
37:09 420 |
| 20 |
47:27 496 |
| 21 |
42:25 423 |
| 22 |
37:27 445 |
| 知识巩固练习 | |
| 23 |
00:01 602 |
8.附着升降脚手架04