The principle and methods of various surface engineering technologies are introduced, and its study progress and application on manufactured and maintenance of vehicle engine is summarized.
介绍了各种表面工程技术的原理和方法，综述了有关表面工程技术在车用发动机制造和维修领域的研究和应用进展。
The cellulase application study has made a great progress recently in China.
我国纤维素酶的应用研究近年来取得了很大进展。
应用推荐