The double roll press is a washing equipment which assembles washing, dehydration, substitution and press with high pulp concentration and extraction yield.
双辊挤浆机是集洗涤、脱水、置换和压榨于一体的洗涤设备，具有较高的出浆浓度和提取率。
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The epidermis of ephedra herbs was broken by crashing roll so as to raise the extraction rate of ephedrine by more than ten times. The liquid from sprinkling extraction was clear.