单词curtain-shutter
网络: 帘式快门；帘幕快门；帘幕式快门
The multichannel digital shutter velocity tester is mainly used in measuring the exposure time of a camera curtain shutter.
多通道数字化快门速度测试仪主要应用于幕帘式相机快门有效曝光时间的测试。