本技术方案降低了冷光源灯泡引线接头的接触电阻，延长了冷光源灯泡的使用寿命。
The technology reduces contacting resistance of the lead wire joint of the cold-light bulb and prolongs service life the cold-light bulb.
本技术方案降低了冷光源灯泡引线接头的接触电阻，延长了冷光源灯泡的使用寿命。
The technology reduces contacting resistance of the lead wire joint of the cold-light bulb and prolongs service life the cold-light bulb.
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