“film projector”可以造什么句，film projector造句

2、Subdural reflective bowl: Use for projector, film projector, stage lights.

4、Transparent film projector is used to demonstrate interference, polarization and other wave optical phenomena and laws on large screen in big lecture halls.

1、stationary sound film projector

5、navigational microfilm projector

3、"The chief equipment of electrified education includes slide projector, overhead projector, film projector, tape recorder, television set, TV camera and so on."