| 摘要 |
A spark plug, in particular for use in internal combustion engines, comprising a spark plug casing (2) and a ground electrode carrier casing (3) wherein the ground electrode carrier casing (3) has at least two ground electrode carrier casing portions (3', 3'') having mutually different materials and/or the ground electrode carrier casing (3) is of a different material from the spark plug casing (2).
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