classification of burn造句

classification of burning behaviour of upholstered compounds
装潢复合材料的燃烧性能分类
classification of burning behaviour of textile products; principles
纺织品易燃性能分类.原则
classification of burning behaviour of textile products; textile floor coverings
纺织品易燃性分类.纺织地毯
classification of burning behaviour of textile products-textile fabrics for working clothing
纺织品易燃性分级.工作服织物
It's difficult to find classification of burn in a sentence. 用classification of burn造句挺难的