Lamp with long, 3000 hour service life.
使用预设寿命长的(3000小时)灯泡。
The hour signal lamp is lit by the time pulse which is interpreted from the electronic timer fixed on the distributor.
配电盘上装有电子表，从中译出时脉冲来点燃时号灯。
The hour signal lamp is lit by the time pulse which is interpreted from the electronic timer fixed on the distributor.
配电盘上装有电子表，从中译出时脉冲来点燃时号灯。
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