specification for fuel oil 燃料油的规格

off-specification sales-oil 不合格的销售油品

oil specification 机油规格

Fuel oil specification 燃油规格

railway locomotive oil specification 铁路机车油规格

Specification for Oil-Field V-Belt 油田用V带规范

Marine fuel oil blender specification 船用混油装置技术条件

Specification of oil-water separator 油水分离器规格

Technical specification for oil pointers 油标技术条件

Specification for special chlorofluorocarbon oil 氟氯碳特种油规范