Introduction to the work principle and application achievements was made.
介绍了软起动器的工作原理和应用效果。
The course is designed to be an introduction to the theory and application of marketing.
本课程是为了介绍理论以及营销应用而设计。
The course is designed to be an introduction to the theory and application of marketing.
本课程是为了介绍理论以及营销应用而设计。
应用推荐