国内外研究进展。
简述了梯度热障涂层的国内外研究进展、设计及主要制备方法。
The paper introduces its domestic and abroad research progresses, design and main preparation methods.
介绍了往复压缩机气量调节方法的国内外研究进展和应用实例。
The paper describes the research progress and development on the capacity control method of reciprocating compressor.
应用推荐