On the producing process of the miniature metal halide lamp, due to its bulk, the measurement of its dimensions especially the inside diameter of the necks of the electric arc tube is very difficult.
在超小功率金卤灯生产中，由于受其体积限制，各种尺寸尤其是电弧管泡壳两侧缩颈处的内径测量一直是比较困难的。
Lamps are electric lamps that produce light in a small arc tube under high internal pressure.
汽车高压气体放电灯是一种利用处于高压状态的气体放光的电灯。
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