The principle and equipment of sorbitizing isothermal heat treatment without lead are introduced.

指出钢丝铅浴索氏体化热处理存在的问题,介绍无铅索氏体化等温热处理的原理。

My car runs on unleaded petrol.

我的车用无铅汽油。

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，以其现代化的生产艺，科学的管理，严格的质量检测，专业前卫的计研，生产出世界顶级的无铅水晶餐杯。

Heavy metal free glass enamels for toughening and heat strengthening. Borosilicate frit with added metaloxide pigments. All standard colors are intermixable.

无铅油墨适合于钢化,热硬化,组成成分为玻璃粉添加金属氧化物色粉混合而成,所有的颜色均可混合.

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.

介绍了铅的替代物、无铅熔块及釉料的配方计加制造艺,对无铅熔块釉的釉烧、铅的再污染等问题进行了阐述。