| 1 |
00:00 848 |
| 2 |
00:00 612 |
| 3 |
00:00 509 |
| 4 |
00:00 460 |
| 5 |
00:00 581 |
| 6 |
00:00 472 |
| 7 |
00:00 623 |
| 8 |
00:00 476 |
| 9 |
00:00 694 |
| 10 |
00:00 631 |
| 11 |
00:00 521 |
| 12 |
00:00 587 |
| 13 |
00:00 588 |
| 14 |
00:00 539 |
| 15 |
00:00 507 |
| 16 |
00:00 476 |
| 17 |
00:00 580 |
| 18 |
00:00 550 |
| 19 |
00:00 546 |
| 20 |
00:00 567 |
| 21 |
00:00 464 |
| 22 |
00:00 567 |
| 23 |
00:00 534 |
| 24 |
00:00 729 |
| 25 |
00:00 482 |
| 26 |
00:00 569 |
| 27 |
00:00 560 |
| 28 |
00:00 477 |
| 29 |
00:00 444 |
| 30 |
00:00 450 |
| 31 |
00:00 607 |
| 32 |
00:00 503 |
| 33 |
00:00 501 |
| 34 |
00:00 528 |
| 35 |
00:00 487 |
| 36 |
00:00 473 |
| 37 |
00:00 474 |
| 38 |
00:00 624 |
| 39 |
00:00 547 |
| 40 |
00:00 441 |
| 41 |
00:00 933 |
| 42 |
00:00 463 |
| 43 |
00:00 468 |
| 44 |
00:00 638 |
| 45 |
00:00 474 |
| 46 |
00:00 592 |
| 47 |
00:00 637 |
| 48 |
00:00 768 |
| 49 |
00:00 519 |
| 50 |
00:00 588 |
| 51 |
00:00 570 |
| 52 |
00:00 493 |
| 53 |
00:00 483 |
| 54 |
00:00 586 |
开关的绝缘电阻和电气强度试验