必要的地方，在管子顶部安装油密或水密青铜测深管头或测深甲板件，同时标注舱室名称。

Pipes to be fitted with oil or watertight bronze sounding cap or sounding deck piece where necessary on tops, and the name of the tanks to be marked on.

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密立根用一个香水瓶的喷头向一个透明的小盒子里喷油滴。

Using a perfume atomizer, he sprayed tiny drops of oil into a transparent chamber.

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对一些文章中阐述的密立根油滴定向漂移的原因提出质疑，并阐明了自己对原因的分析及调整方法。

The reasons to the oriented drift of Millikan oil-drop provided in some articles are questioned, and the analysis and adjustment method on the reason are introduced.

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