The method has some characteristics, such as the high rate of product, the good purity and the less pollution.
本方法具有产率高、产物纯、污染小等特点。
Said method features simple process, low cost, saving raw material, without environmental pollution, high recovery rate and good purity.
本方法工艺简便，成本低，节省原材料，无环境污染，回收率高，纯度好。
As to the economic characteristics, they had the features of big cocoon, high percentage of cocoon shell, long silk length, easy seperating of cocoon, good purity and superior quality.
在经济性状上具有茧型大，茧层率高，茧丝长，解舒易，净度好，丝质优的特点。
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