无铅的

My car runs on unleaded petrol.

我的汽油。

Today,Rona produces world championship nonlead glassware,by its modern scientific technology,scientific management,strict quality detection and professional design group.

今天的诺纳，以其现代化的生产工艺，科学的管理，严格的质量检测，专业前卫的设计研发团队，生产出世界顶级的水晶餐杯。

This paper introduced substitutes for lead,leadless frits and leadless glaze formulation design and making techniques,and then expatiated on firing of leadless glazes,plumbeous recontamination,etc.

介绍的替代物、熔块及釉料的配方设计和加工制造工艺,对熔块釉的釉烧、的再污染等问题进行。