在初始灯启动期间，发射金属覆盖电极(22,24)，从而减少其有效功函并使灯(10)的启动更容易。
During initial lamp start-up, the emission metal coats the electrodes (22, 24), thus reducing their effective work function and allowing the lamp (10) to start more easily.
在初始灯启动期间，发射金属覆盖电极(22,24)，从而减少其有效功函并使灯(10)的启动更容易。
During initial lamp start-up, the emission metal coats the electrodes (22, 24), thus reducing their effective work function and allowing the lamp (10) to start more easily.
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