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最近碰到一项加工用于铸制冠状塑料盖的阴阳模具的任务。该盖的内径191.1mm,外径196.2mm,而盖部为一半径533.4mm弧面,其
Recently encountered the task of processing a female and a female mold for casting crown plastic caps. The cap has an inner diameter of 191.1 mm and an outer diameter of 196.2 mm, while the cap has a radius of 533.4 mm arc,