mercury-arc lamp的用法和樣例：
例句
- These lenses are therefore suitable when using the mercury green band.
所以，當采用水銀燈的綠色光帶時(shí)，此種透鏡是適用的。 - Michael W.Nelson, a graduate student of Wagner's, is standing next to a sheet that hangs down from a clothesline in front of a brilliant mercury vapor lamp.
華格納的研究生納爾遜正站在一大片床單旁，床單掛在曬衣繩上，前面則掛了盞超亮的水銀燈。
