油品种 meaning in English

oil grade

Type and specifications of oil for tractors
拖拉机用油品种规格的选用
And all the refined oil varieties of this project are production blank at home , and it can offer 8 products accord with international standard to domestic downstream product enterprises , and to reduce the reliance on the imported products
并且该项目所产精油品种均为国内生产空白，可向国内下游产品企业提供符合国际标准的8种产品，减少对进口产品的依赖。