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一、前言: 近年来,茶叶消费的方向转移到优质化上来,品质低下的三轮茶消费量趋于减少,茶叶的经营越来越偏重于头茶。
I. Introduction: In recent years, the direction of tea consumption has shifted to high quality. The consumption of three rounds of tea with low quality has tended to decrease. The operation of tea has become more and more emphasis on the first tea.