This paper introduces the welding principle, design idea and key techniques of a miniature sealed source welding machine, which will realize fully automatic welding of miniature sealed sources.

文章介绍了微型密封源焊接机的焊接原理、设计思路及其关键技术，实现了微型密封源的全自动化焊接。

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But while batteries store all the chemicals needed for the necessary chemical reactions in a sealed package, fuel cells use an external fuel source and air from the atmosphere.

电池是在密封容器存贮化学反应必需的化学品，但燃料电池却使用外部燃料和大气。

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Opening sealed subsurface drain line manways to attempt to localize the source of tritium into the system.

打开密封的地下水疏水管道人孔以试图定位进入系统的氚源。

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When we went into deliberation in the jury room we not only had all the physical evidence of everything that was presented, but we also had sealed source code in its entirety from both sides, we actually had the memos that were talked about in the trial... and there was a piece of evidence after a piece of evidence that just clearly stacked up.

BBC: Apple versus Samsung: Jury foreman justifies $1bn verdict