C. powder sifting: the product is sifted with a suspending powder sifter to remove block masses and sundries in the milk-tea powder;

筛粉：产品用吊悬式筛粉机过筛，除去奶茶粉中的 团块和杂物；

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C. powder sifting: the product is sifted with a suspending powder sifter to remove block masses and sundries in the milk-tea powder;

筛粉：产品用吊悬式筛粉机过筛，除去奶茶粉中的 团块和杂物；

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