本文主要内容包括：1、分析冷却运输机滚子链传动的基本原理、结构特点、主要失效形式及载荷特性。
This paper comprises of the following parts: 1, To analyze the basic principle, structural features, main failure types and load characteristics of the roller chain of cooling transporter.
本文介绍了磁力传动的原理、结构及在2-乙基己酸生产中的应用。
The principle and structure of magnetic transmission, and its application in production of 2-ethylhexylic acid were introduced.
分析了可伸缩带式输送机传动装置结构组成、传动原理及常见故障原因，提出改进措施。
This paper analyses the structure form, transmission principle and common trouble causes of driving device of extensible belt conveyor. The improvement ways are put.
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