从它第一次作为商品在19世纪70年代出售以来，这130多年灯泡一直都是由玻璃和灯丝构成，只在尺寸和形状方面经历了一些微小的变化。
From its first commercial development in the late 1870s, on through some slight tweaks to size and shape, the bulb has been a glass-and-filament mainstay for more than 130 years.
灯泡任何标准尺寸的白炽灯都可以。
Light bulb (any standard incandescent bulb with a regular size base will do.. no fluorescent or halogen bulbs).
东江电站大型灯泡贯流式机组机座结构尺寸大、刚性大，对焊缝质量和焊接变形要求较高。
The frame of heavy stay column sets for Dongjiang Power Station possesses a great rigidity with large dimension, so its requirements for welds quality and welding deformation are strict.
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