shutter rotating disc 转盘快门

rotating shutter 转动光闸 ; 旋转快门 ; 转动型光阀 ; 旋转光闸

rotating blade shutter 旋转叶片快门

rotating disc shutter 旋片快门

a rotating shutter 转动快门

synchronized rotating shutter 同步旋转快门

Rotating mirror shutter 转镜分光