The clean technologies such as hide chill, low or free sulphide and enzyme hair-saving unhairing, aqueous degreasing and CO2 deliming can reduce the degree of pollution in beamhouse;
原应冷冻保藏、少硫、无硫／酶脱毛的保毛脱毛
术，灰液循环、水性脱脂、二氧化碳脱灰术可大大减少准备工段的污染；
The clean technologies such as hide chill, low or free sulphide and enzyme hair-saving unhairing, aqueous degreasing and CO2 deliming can reduce the degree of pollution in beamhouse;
原应冷冻保藏、少硫、无硫／酶脱毛的保毛脱毛术，灰液循环、水性脱脂、二氧化碳脱灰术可大大减少准备工段的污染；
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