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| 81. | spark photography |
| 闪光照像 |
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| 82. | flash photography |
| 闪光摄影术 |
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| 83. | flashing current |
| 闪光电流 |
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| 84. | `The twinkling of the what?' |
| “什么闪光？” |
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| 85. | flashing lantern |
| 闪光路灯 |
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| 86. | flare pistol |
| 闪光信号枪 |
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| 87. | flash-signal lamp |
| 闪光信号灯 |
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| 88. | alternating and flashing |
| 互闪光 |
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| 89. | flashwelding machine |
| 闪光焊机 |
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| 90. | Photograph by flash. |
| 闪光摄影 |
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