It was explained briefly that the structure of "l" type evaporator developed by Hebei University of Technolgy.
对河北工业大学开发的“L”型蒸发器的结构作了扼要说明。
2
The worldwide first technolgy Draws (or Cut) with negative direction function, saves more cost and bring more using value for user.
全球首创的倒绘（切）功能，最大节约成本，为用户创造价值。
3
The teaching was based on the network and the research topics was designed mainly in the area of the key technolgy of the radio frequency circuit and antenna.