| 安全生产基本知识 | |
| 1 |
36:15 757 |
| 2 |
43:52 476 |
| 3 |
40:33 490 |
| 4 |
35:20 435 |
| 5 |
45:27 469 |
| 6 |
41:54 497 |
| 7 |
54:29 444 |
| 8 |
40:52 424 |
| 9 |
57:17 437 |
| 10 |
45:43 452 |
| 11 |
45:03 484 |
| 12 |
46:07 450 |
| 专业相关基础知识 | |
| 13 |
40:55 457 |
| 14 |
43:46 426 |
| 15 |
53:25 452 |
| 16 |
50:22 466 |
| 17 |
35:27 483 |
| 18 |
51:16 421 |
| 19 |
37:09 430 |
| 20 |
47:27 551 |
| 21 |
42:25 445 |
| 22 |
37:27 443 |
| 知识巩固练习 | |
| 23 |
00:01 641 |
7.附着升降脚手架03