短语词组短语lube base oil 润滑油基础油lube -oil clay 润滑油白土lube basic oil material 润滑油基础油原料hydrotreated lube base oil 加氢基础油naphthenic lube base oil 环烷基润滑油Turbine lube -oil cooler 冷油器naphthenic base lube base oil 环烷基润滑油基础油 返回 lube oil