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我院１９９５年引进一台岛津５００ｍＡ胃肠机，该机为单通道，三规格无暗盒Ｘ线机，除胃肠装置外，还附设有１５０ｃｍ胸片摄影装置，替代胸片机工作，另可根据不同的投照部位和摄影目的，选用不同规格的胶片。具有节省胶片，缩短检查时间，减轻工作人员强度等优点。但在工作?
In 1995, our hospital introduced a Shimadzu 500mA gastrointestinal machine. The machine is a single-channel, three-format X-ray machine without a cassette. In addition to the gastrointestinal device, a 150cm chest X-ray photography device is attached to replace the chest X-ray machine. Different sizes of film can be selected according to different projection locations and photography purposes. It has the advantages of saving film, shortening inspection time, and reducing staff strength. But at work?