名词
中文翻译：双管荧光灯
同义词：
['two-bulb fluorescent lamp']
例句：
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1.The Bi hollow cathode lamps in the classroom are bright and energy-efficient.
教室里的双管荧光灯既明亮又节能。
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2.The new Bi hollow cathode lamps have a longer lifespan than traditional ones.
新型的双管荧光灯比传统灯具的使用寿命更长。
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3. The Bi hollow cathode lamps were introduced to improve lighting efficiency in factories.
引入双管荧光灯是为了提高工厂的照明效率。