-
白炽灯管（硅酸盐涂于灯管）所含的铅。
Lead in linear incandescent lamps with silicate coated tubes.
youdao
-
用于带有硅酸盐灯管的线型白炽灯中的铅。
Lead in linear incandescent lamps with silicate coated tubes.
youdao
-
用于带有硅酸盐灯管的线型白炽灯中的铅。
Lead in linear incandescent lamps with silicate coated tubes.
youdao