movie projector meaning in Chinese

放映机

One who operates a movie projector
电影放映员操作电影放映机者
An early movie projector
一种早期电影放映机
Addison invented the electric light bulb , the record player and the movie projector
爱迪生发明了电灯泡、留声机和电影放映机。
Before the videocassette recorder there was the movie projector and screen
在卡匣式录影机出来之前，我们用的是电影放映机与屏幕。
Metal halide gas - discharge lamps possess the advantages of small sige , high luminous efficiency , long life good start quality , simply appending power supply . they are widely use in movie projectors and overhead projectors etc . the metal - halide gas - discharge lamps include metal halide lamps with dysposium iodide , mercury lamps metal halide lamps with scandium - sodium iodides and metal halide lamps with sodium - thal - lium - indium etc
金属卤化物放电灯具有体积小、发光效率高、使用寿命长、启动性能好附加电源较为简单等优点,一般用于电影放映机、投影仪等仪器,品种有金卤灯（汞灯）、镝灯、钪钠灯、钠铊灯等