2) Crime type and characteristic
犯罪类型与特点
3) 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。
5) types and features of renamed periodicals
更名类型及特点
6) the feature of story category
故事类题型特点
补充资料：血液有形成分各种类型的血细胞虚线指示中间类型的细胞。
李瑞端绘
[图]
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