picture-tube brightener

brigh... ... picture tube brightener 显像管荧光剂 picture-tube brightener 显像管增亮器 zinc-plating brightener 镀锌光亮剂 ...

... picture-to-synchronization ratio 视频信号-同步脉冲幅度比 picture-tube brightener 显像管图像亮度增强器 pie 饼式线圈 ...