working principous

• 工作原理

working principous的用法和样例：

例句

1. The structure and working principle of a keyless connection bush is introduced.
   介绍了一种无键联结衬套结构及工作原理。
2. Working principles and application fields of those handoff mechanisms are analyzed.
   分析了这些技术的工作原理及其运作的优缺点。