英文名称:Distillates (petroleum), solvent-refined heavy naphthenic; Solvent-refined (mild) heavy naphthenic distillate; Solvent-refined (severe) heavy naphthenic distillate; Distillates (petroleum), solvent-refined (mild) heavy naphthenic; Distillates (petroleum), solvent-refined (severe) heavy naphthenic; Distillates, p