| 安全生产基本知识 | |
| 1 |
36:15 919 |
| 2 |
43:52 630 |
| 3 |
40:33 584 |
| 4 |
41:54 633 |
| 5 |
54:29 615 |
| 6 |
40:52 566 |
| 7 |
57:17 552 |
| 8 |
35:20 627 |
| 9 |
45:07 543 |
| 10 |
45:43 529 |
| 11 |
45:03 581 |
| 12 |
46:07 621 |
| 专业相关基础知识 | |
| 13 |
01:03:54 583 |
| 14 |
49:48 593 |
| 15 |
45:35 567 |
| 16 |
29:46 556 |
| 17 |
46:00 581 |
| 18 |
53:16 668 |
| 19 |
53:15 583 |
| 20 |
51:17 609 |
| 21 |
28:28 609 |
| 22 |
36:56 639 |
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