单词：wolfram filament
wolfram filament的用法和样例：
例句
- Even with the air pumped out the bulb, the tungsten filament slowly vaporizes.即使灯泡中的空气被抽出，钨丝也会慢慢地蒸发。
- The brightness of a tungsten filament depends on the intensity of the electrical current that flows through it.钨丝发光的强弱，取决于流经的电流强度的大小。
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