例句與造句

1. Beckman & Whitley sold both rotating mirror and rotating drum cameras, and coined the " Dynafax " term.
2. Rotating drum cameras are capable of speed from the tens of thousands to hundreds of thousands of frames per second.
3. In a rotating drum camera, it happens if the drum makes more than one revolution while light is entering the camera.
4. It's difficult to find rotating drum camera in a sentence. 用rotating drum camera造句挺難的