The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulb flat steel, especially for strength enhancement in center of bulb.

结果表明，V - N微合金化技术改善了球扁钢的截面性能均匀性，显著提高了球头心部的性能。

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A gas-plasmadisplay is the best type of flat screen. Like a neon light bulb, the plasma display uses a gasthat emits light in the presence of an electric current.

等离子显示器是平板显示器中最好的一种，像霓光灯泡，等离子显示器在电流存在的情况下使用一种发光的气体。

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Two live wire contacting points on the sliding plate are in flat form, which reduces resistance force when the bulb is screwed, and the bulb is uneasy to be damaged.

滑动板上的两个火线触点为平面形的，使拧装灯泡时阻力小不易损坏；

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