The primary classification describes the main hazardous propertyof a hazardous waste.
主要类别描述危险废物的主要的危险性质。
2
It establishes electrical propertyclassification criteria of reservoir quality evaluation by using assaying, test and production information in the paper.
最后,应用试验区分析化验、试油和生产资料,建立储层质量评价的电性分类标准。
3
Paper yarn is a new type of textile material. In the article are introduced the classification, performance and weaving propertyof the yarn.