| 1 |
00:00 938 |
| 2 |
00:00 735 |
| 3 |
00:00 589 |
| 4 |
00:00 527 |
| 5 |
00:00 669 |
| 6 |
00:00 538 |
| 7 |
00:00 693 |
| 8 |
00:00 542 |
| 9 |
00:00 780 |
| 10 |
00:00 733 |
| 11 |
00:00 604 |
| 12 |
00:00 675 |
| 13 |
00:00 667 |
| 14 |
00:00 660 |
| 15 |
00:00 568 |
| 16 |
00:00 543 |
| 17 |
00:00 730 |
| 18 |
00:00 631 |
| 19 |
00:00 622 |
| 20 |
00:00 662 |
| 21 |
00:00 542 |
| 22 |
00:00 637 |
| 23 |
00:00 625 |
| 24 |
00:00 820 |
| 25 |
00:00 555 |
| 26 |
00:00 638 |
| 27 |
00:00 628 |
| 28 |
00:00 546 |
| 29 |
00:00 513 |
| 30 |
00:00 529 |
| 31 |
00:00 694 |
| 32 |
00:00 569 |
| 33 |
00:00 570 |
| 34 |
00:00 609 |
| 35 |
00:00 560 |
| 36 |
00:00 610 |
| 37 |
00:00 544 |
| 38 |
00:00 699 |
| 39 |
00:00 638 |
| 40 |
00:00 514 |
| 41 |
00:00 1k次 |
| 42 |
00:00 529 |
| 43 |
00:00 539 |
| 44 |
00:00 724 |
| 45 |
00:00 546 |
| 46 |
00:00 659 |
| 47 |
00:00 752 |
| 48 |
00:00 903 |
| 49 |
00:00 600 |
| 50 |
00:00 668 |
| 51 |
00:00 696 |
| 52 |
00:00 586 |
| 53 |
00:00 543 |
| 54 |
00:00 661 |
开关的绝缘电阻和电气强度试验