1) characteristics and classification
特点与分类
1.
This paper mainly introduces characteristics and classification,installation and use,as well as repair and maintenance of the power plants pump mechanical seal.
文章主要介绍了发电厂中泵类机械密封的特点与分类、安装与使用以及检修与维护等。
2) classification of traits
特点分类
3) classification characteristic
分类特点
1.
The study on the classification characteristic and classification and system construction of natural resources of sports tourist;
天然体育旅游资源分类特点与分类体系构建
6) Crime type and characteristic
犯罪类型与特点
补充资料：特点
1.人或事物所具有的独特的地方。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条