1·Install turn signal lamp bulb.
安装转向信号灯灯泡。
2·The invention relates to a glass composition for use in a lamp bulb including cobalt oxide to provide a blue colored glass, which composition comprises alkali metal oxide including lithium oxide.
本发明涉及一种用于灯泡的玻璃合成物,其含有能提供蓝色玻璃的氧化钴,组分中含有包括氧化锂的碱金属氧化物。