| 安全生产基本知识 | |
| 1 |
36:15 874 |
| 2 |
43:52 586 |
| 3 |
40:33 550 |
| 4 |
41:54 602 |
| 5 |
54:29 578 |
| 6 |
40:52 529 |
| 7 |
57:17 514 |
| 8 |
35:20 589 |
| 9 |
45:07 508 |
| 10 |
45:43 496 |
| 11 |
45:03 545 |
| 12 |
46:07 575 |
| 专业相关基础知识 | |
| 13 |
01:03:54 529 |
| 14 |
49:48 556 |
| 15 |
45:35 519 |
| 16 |
29:46 518 |
| 17 |
46:00 540 |
| 18 |
53:16 630 |
| 19 |
53:15 544 |
| 20 |
51:17 515 |
| 21 |
28:28 562 |
| 22 |
36:56 595 |
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