1) 测试系统和控制系统工作原理及使用操作的翻译：1) working principle and application of testing system and control system operation 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

1) test system and control system works and use of operating

1) working principle and application of testing system and control system operation

1) Test system and control system principle of work and use operation

1) * test system and control system operation and use the action

1) working principle and application of testing system and control system operation