residua oil

• 渣油

residua oil的用法和样例：

例句

1. Pitch resin was synthesized from benzaldehyde and heavy oil residue.
   利用纯芳烃原料和重质渣油研制的沥青树脂具有优良的耐热性。
2. Developing residue oil hydrotreating processing technology is the main tendency of heavy oil deep processing in China.
   摘要开发渣油加氢处理技术是我国重油深加工的主要发展方向。