Isi silinda aluminom 4M41 1005B341/1005B340
Ụlọ ọrụ ahụ bụ onye na-emepụta ihe na-eweta OE nke bụ aluminom ọkachamaraisi silindaruo ihe karịrị afọ 20. Lekwasị anya n'ịdị mma na ọrụ. A na-enweta asambodo nkwenye ISO16949, "Isi silinda mkpuchi elu", "ndụ bara uru ogologo oge nke isi silinda" na patent ise ndị ọzọ dị irè.
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