DR refers to the digital X-ray photography system or X-ray, which is composed of a ball tube, a high-voltage generator, a digital detector, an image acquisition and processing system, and an image output device. It uses a digital detector to convert X-ray photon signals into Radiology imaging equipment that digitizes images.
Double-column DR is a kind of DR. It adopts the structure design of double-column. It is a DR equipment with unique advantages specially designed for medical examination centers, disease control centers and medical examination vehicles.