Usoro mmeghe 3/4 nke ngwaahịa ndị a kpụrụ akpụ a na-emepụta site na ịkpụzi ịfụ extrusion.Usoro extrusion bụ ịmanye ihe site na oghere ma ọ bụ nwụọ iji mepụta ngwaahịa.The extrusion igbu ịkpụzi usoro mejupụtara 5 nzọụkwụ: 1. Plastic preform (extrusion nke oghere plastic tube).2...
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