heavy crude短语¹³¹⁶²⁰⁺³ 基本例句 重质石油 The property tests and application results showed that DSMPA had excellent dispersibility, emulsifying ability and high viscosity reducing efficiency for emulsifying Daqing Heidimiao heavy crude oils. 性能测试和应用结果表明，该产物具有良好的乳化力和分散力，对大庆黑帝庙稠油具有较好的乳化降粘效果。 cnki