tàn hú
意思解释：（Carbolic arc）在碳电极之间或一个碳电极和其他材料(如在用碳弧焊接时的母材)之间的电弧。
利用碳棒电极在空气中接触通电后分开时的放电电弧发光的电光源。人类所用的最早的电光源，19世纪初发明。早期用于照明，后曾用于摄影照明、电影放映和作探照灯。现已大多被新光源所取代。…
The electric illuminant that the discharge electric arc when the departure after using kryptol electrode to contact electrify in air gives off light. The earliest report light source that human place uses, invent at the beginning of 19 centuries. Inchoate with Yu Zhaoming, ever used at photography illume, film is shown and making searchlight after. Already was replaced by place of new light source mostly now. ...
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