该装置能增加机车低速运行区的电制动力，满足了“技规”第214条对机车的要求。

The device may increase the electric braking force of the locomotive at low speed range. It fulfills the requirement for locomotive listed in Artical 214 of Railway Technical Specificat on.

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气焊设备。安全装置。第2部分：不含有回火制止器的安全装置。

Gas welding equipment - Safety devices - Part 2: not incorporating a flame arrestor.

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气焊设备。安全装置。第1部分：含有回火制止器的安全装置。

Gas welding equipment - Safety devices - Part 1: incorporating a flame (flashback) arrestor.

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- Those of you with backgrounds in history or we've seen -- or remember World War II with technologies that were used in it might know of the Enigma machine, which is kind of the same idea.

你们其中有历史背景的人或者我们看到的-,或记得起的第二次世界大战中使用的,可能知道的英格玛装置，那是一种同样的思想。

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