| 1 |
00:00 884 |
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00:00 656 |
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00:00 540 |
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00:00 485 |
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00:00 616 |
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00:00 497 |
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00:00 651 |
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00:00 501 |
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00:00 725 |
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00:00 666 |
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00:00 548 |
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00:00 621 |
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00:00 615 |
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00:00 579 |
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00:00 530 |
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00:00 501 |
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00:00 639 |
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00:00 581 |
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00:00 574 |
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00:00 602 |
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00:00 489 |
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00:00 594 |
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00:00 575 |
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00:00 764 |
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00:00 513 |
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00:00 598 |
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00:00 587 |
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00:00 504 |
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00:00 469 |
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00:00 478 |
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00:00 641 |
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00:00 530 |
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00:00 530 |
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00:00 560 |
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00:00 518 |
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00:00 517 |
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00:00 503 |
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00:00 651 |
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00:00 582 |
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00:00 471 |
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00:00 976 |
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00:00 488 |
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00:00 497 |
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00:00 669 |
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00:00 501 |
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00:00 622 |
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00:00 677 |
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00:00 811 |
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00:00 552 |
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00:00 617 |
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00:00 598 |
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00:00 529 |
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00:00 513 |
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00:00 627 |
单根绝缘电线电缆火焰垂直蔓延试验