常见例句雙語例句The shaped technique of the electric arc tube's shell with neck, which is used in the small power metal-halide lamp, is introduced in this paper.超小功率高強度氣躰放電燈電弧琯電極極間距誤差要求小，二電極對中要求高，所以採用在電弧琯泡殼兩耑加縮頸來定位電極。 返回 electric-arc lamp