deasphalt

deasphalt

 英

  • 网络脱沥青

例句

Study on production of paving asphalt from vacuum residue and propane deasphalt residuum of Saudi Arabian medium crude oil

沙特原油及其沥青等级道路石油沥青研究

Computer Control System in Solvent Deasphalt Pilot Plant

溶剂沥青试验装置计算机控制系统