I work in the extruded tube business.
我在挤压管行业工作。
I went out today and bought a tube of toothpaste.
我今天出去买了一管牙膏。
You only need a very small blob of glue, so one tube lasts for ages.
你仅需要很小一滴胶水,所以一管胶水能用很久。
So we'll take h 2 and we'll run -- or actually we'll have h 2 filled in an evacuated glass tube.
我们马上就会在氢原子上试一试,我们用氢气-我们把玻璃管充满氢气。
The first thing I have to do is give you understanding of the physics of the gas discharge tube.
首先要做的就是让你们理解,气体放电管的物理学原理。
This is the diagram taken right from your text, there are the two electrodes coming in and this is atomic hydrogen in the gas tube.
这是从教科书上复制下来的图表,这里有两个电极进来,这是气体管中的氢原子。
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