Install bulbs and sockets in the lamp housing. 安装灯泡和插座于灯外壳上。
This light can be used to illuminate a glass bulb containing sodium vapour. 可以用这种光来照射一个含有钠蒸气的玻璃泡。
The effect is easily demonstrated using Wood's technique which incorporates an evacuated glass bulb containing a bit of pure metallic sodium. 应用伍德的方法用一个抽空的盛着一点纯金属钠的玻璃泡,很容易演示这个效应。