film projector造句怎么写
- 造句
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3、"The chief equipment of electrified education includes slide projector, overhead projector, film projector, tape recorder, television set, TV camera and so on."
5、navigational microfilm projector
2、Subdural reflective bowl: Use for projector, film projector, stage lights.
1、stationary sound film projector
4、Transparent film projector is used to demonstrate interference, polarization and other wave optical phenomena and laws on large screen in big lecture halls.
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