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Precision mirror polishing. Ultra-flat surface polishing.
精密镜面抛光，超平平面抛光。
youdao
Inner flat mirror face of stainless steel weld pipe of Hongyun is famous for precise size, property, surface sanitation and high precision.
“鸿运”不锈钢内整平镜面焊管以尺寸精良、性能、表面卫生精度高而著称。
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