chain transmission的用法和样例：
例句
- The chain factories with ling history in the world have their own chain transmission power rating raph and powertable.
世界各国历史悠久的链条工厂都制订有自己的链传动功率曲线和率表。 - The structure and principle of reciprocating positioning chain are introduced, and the meshing process is analyzed also.
摘要介绍循环定位链传动的结构及工作原理，并分析啮合过程。
