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| 51. | flashing lantern |
| 闪光路灯 |
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| 52. | flashing door bel |
| 闪光门铃 |
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| 53. | spark photograph |
| 闪光照相 |
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| 54. | flashwelding machine |
| 闪光焊机 |
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| 55. | duration of light |
| 闪光时间 |
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| 56. | flashing current |
| 闪光电流 |
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| 57. | flash lamp socket |
| 闪光灯座 |
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| 58. | flash-signal lamp |
| 闪光信号灯 |
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| 59. | flash photography |
| 闪光摄影术 |
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| 60. | flare pistol |
| 闪光信号枪 |
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