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编者的话：山东医科大学李蕾、袁仁同志对本刊96年第5期《英国产AS600全自动低温恒冷快速切片机故障一例卜文中提到的某些技术问题提出了自己的见解，他们的做法对活跃本刊学术气氛，提高学术水平，将起到积极作用。这种认真阅读本刊、发表不同意见的作法值得提倡。在制冷系统
Editor’s Note: Comrades Li Lei and Yuan Ren of Shandong Medical University put forward their own opinions on certain technical issues mentioned in Buwen, a case of the failure of the AS600 automatic low-temperature cryogenic slicer produced by the UK in the fifth issue of the 96th issue of the journal. The practice will play an active role in stimulating the academic atmosphere of the journal and raising academic standards. It is worth advocating this kind of practice of carefully reading this publication and expressing different opinions. In the refrigeration system