这被称为羊毛加工中的洗涤系列。

This is called the scouring train in wool processing.

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位于意大利西北部的比耶拉是羊毛加工厂的中心，也是奢侈服装品牌杰尼亚的原产地。

BIELLA, in north-west Italy, is the centre of a cluster of wool manufacturers and the home of Ermenegildo Zegna, a luxury clothing brand.

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羊毛毡，是用长短羊毛加工制成的，质量、密度越高，毛质越细价格也就越高。

Wool felt, wool processing is made of the length, quality, the higher the density, quality wool finer the higher the price.

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