summarize performances and characteristics of different formulations of three kinds of lubricant-solvate asphaltum, semiliquid and high .
综述分析了目前所研制的溶剂沥青型、半流体脂及高粘度油这三种润滑剂性能、不同配方下的特点等。
summarize performances and characteristics of different formulations of three kinds of lubricant-solvate asphaltum, semiliquid and high . viscidity oil which are being developed at present.