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香槟(Champion)火花塞公司为高性能发动机设计的双铜芯电极火花塞,有一个铜芯旁电极和一个中心铜芯电极。它的研制花费了三年的时间,其难点就在于铜芯旁电极的生产。这种火花塞的旁电极焊接至火花塞体上速度必须快,以适应大批量生产。旁
Champion spark plugs Twin copper core spark plugs designed for high-performance engines have a copper core side electrode and a center copper electrode. Its development took three years, the difficulty lies in the production of copper core electrode. The side electrode of this spark plug must be welded to the spark plug body at a fast rate to accommodate mass production. beside