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1 ?间距套管 ... cylinder specimen 圆柱形试件 cylinder spool 间距套管 cylinder stock 汽缸油; 汽缸油原料 ... 2 ?圆盘耙片间距套管 ... 间距套管颈圈与轴承座内槽口相套合 matching collars and grooves 圆盘耙片间距套管 cylinder spool 成对串联安装轴承 tandem duplex bearing ...
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A device, such as a cylinder, spool, or frame, that turns on an axis and is used for winding and storing rope, tape, film, or other flexible materials. 卷轴：一种如卷筒、卷轴或框，绕轴旋转装置，用于卷起和贮存绳索、磁带、胶片或其它带弹性的物质。 - 2
An apparatus used for hoisting weights, consisting of a vertical spool-shaped cylinder that is rotated manually or by machine and around which a cable is wound. 绞盘，卷扬机一种用于吊起重物的装置。该装置包括一垂直的线轴形圆筒，由人力或机器使之旋转，在其周围绕有。 - 3
This paper introduces the sealing and leakage preventative of oil tank, driving shaft, control mechanism, oil cylinder, spool, etc. in particular. 本文着重介绍了油箱、传动轴、操纵机构、油缸及滑阀等部件的密封防漏。
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