数 【中文名称】：滚筒因数 【英文名称】：drum factor 【定义1】： 在滚筒式发送机或滚筒式接收机中，滚筒的扫描线有效长度与滚筒直径之比。 【来源】： GB/T 14733.5-1993（术语标准）； 【定义
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drum factor detail 圆筒系数
Elastic deformation is an important influential factor of indexing accuracy and loading capacity of end-tooth indexing table with drum tooth.
齿廓弹性变形是影响鼓形齿端齿盘精度和承载能力的重要因素。
Through case study, find the bronze drum can use in the locality for a long time, there is connection that can't be isolated with the local unique ecological environment and culture factor.
通过个案研究，发现铜鼓在当地之所以能够长期使用，与当地独特的生态环境和文化因素有着紧密的联系。
This article USES the microscopic analysis method, Carries on the thorough discussion to a boiler drum break of accident cause factor, Seeks its origin, Proposes solution, For boiler safe operation?
本文采用微观分析方法对一起锅炉鼓包事故原因进行深入的探讨。
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