我国拥有相当数量的匈牙利产带影像增强器的Ｘ射线机，国内也生产和改装了大量的带影像增强器或板式增强器的大中型Ｘ射线机，以提高Ｘ射线影像的质量，并改善了工作条件。但这类Ｘ射线机的遮线器是手工电动调节，仍停留在调节荧光屏上照射野的水平，不能按更新影像增强器... Our country owns a considerable number of X-ray machines that produce image intensifiers from Hungary and a large number of large and medium-sized X-ray machines with image intensifiers or plate boosters are also produced and refitted in China to improve the quality of X-ray images and to improve Working conditions. However, this type of X-ray machine is a manual line of electrical regulation, still remain in the regulatory screen to the level of radiation field, can not update the image intensifier ...