The results show that V-N microalloying helps to improve section homogeneity of mechanical property for bulbflat 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.
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.