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介绍了德国斯图加特大学机械设计研究所与德国汉堡麦克福雷依德伯格流体技术有限公司共同研制出的一种采用新工作原理的密封装置——去载荷的轴用密封环，它具有比传统的密封装置高得多的工作极限。
This paper introduces a new sealing principle of the working principle - de-loading shaft sealing ring jointly developed by the Institute of Mechanical Design of Stuttgart University in Germany and McFarland Idlberg Fluid Technology Co., Ltd. of Hamburg, Germany, The sealing device is much higher working limit.