一个氙弧灯，其电极之间的电弧长度大于信封内附弧的直径。
A xenon arc in which the length of the arc between electrodes is greater than the diameter of the envelope enclosing the arc.
一个氙弧灯，其电极之间的电弧长度大于信封内附弧的直径。
A xenon arc in which the length of the arc between electrodes is greater than the diameter of the envelope enclosing the arc.
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