短语词组短语shutter r curtain 快门帘幕trailing -shutter r curtain 后帘同步Trailing -shutter curtain 后帘同步electronic first shutter curtain 电子优先快门帘Trsuffering -shutter curtain 后帘同步curtain shutter 帘幕式快门;焦面快门;帘式快门 返回 shutter curtain