The combination of heat and charge releases electrons, which accelerate through the tube and strike a positively charged electrode at the other end.

加热和充电的结合释放出电子， 电子通过真空管加速撞击到对面充满正电的电极上。

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According to the specific circumstances of the project can also take charge of construction directly welded pipe, but must check a stainless steel tube joint can demand reinforcement.

依据工程的详细状况也可以采取主管上直接焊接支管的构造，但必需校核支不锈钢管衔接处能否需求补强。

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What you're effectively doing with a PDE is repeatedly setting off a small charge of hi-explosive inside a metal tube.

你什么有效的偏微分方程做的是不断掀起一小负责高科技金属管内爆炸。

youdao

This machine shatters tiny amounts of a sample into its component atoms, ionises those atoms in order to give them an electric charge, and then uses that charge to attract the atoms along a tube.

ECONOMIST: Monitor

His aides said he would use his first days as London mayor to start work on key pledges such as 440 police community support officers on the Tube and trains, weapons scanners at stations and a review of the western zone of the congestion charge.

BBC: Johnson becomes mayor of London