无铅的

My car runs on unleaded petrol.

我车用无汽油。

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

今天诺纳，以其现代化生产工艺，科学管理，严格质量检测，专业前卫研发团队，生产出世界顶级无水晶餐杯。

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.

介绍了替代物、无及釉料配方和加工制造工艺,对无釉釉烧、再污染等问题进行了阐述。