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| 41. | light projector |
| 投光器 |
|
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| | |
| 42. | supersound projector |
| 大功率扬声器 |
|
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| | |
| 43. | scale projector |
| 标度放大器|刻度投影器 |
|
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| | |
| 44. | episcopic projector |
| 反射投影仪 |
|
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| 45. | video projector |
| 录像放映机 |
|
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| | |
| 46. | magazine projector |
| 片盒式幻灯 |
|
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| | |
| 47. | postcard projector |
| 明信片映射器 |
|
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| | |
| 48. | image projector |
| 投影放映机 |
|
|
| | |
| 49. | mirror projector |
| 镜面聚光灯|镜面探照灯 |
|
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| 50. | data projector |
| 数据投影仪 |
|
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