现在的灯泡一般都选用钨丝做灯丝。

Now generally use tungsten light bulb filament to do.

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白炽电灯的关键部分是灯泡里的钨丝。

The vital part of the incandescent electric lamp is the tungsten wire inside the bulb.

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白炽电灯的关键部分是灯泡里的钨丝。

A fine wire heated electrically to incandescence in an electric lamp.

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钨丝不容易熔化或折断。

The tungsten does not easily melt or break.

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空气中有氧气，在氧气里热钨丝会燃烧起来。

Air contains oxygen, and the hot tungsten could burn in it.

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空气中有氧气，在氧气里热钨丝会燃烧起来。

Air contains oxygen, and the hot tungsten could burn in it.

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