The effects of ultrasound on raw skins were studied.
研究了超声波对生皮的作用。
The goat skins With big area are selected as raw skins . With clearly goat grain characteristic the grade of the resultant Leather is raised.
选用大张幅济宁路山羊皮制做软包袋革，山羊皮的粒纹特征明显，产品档次亦得到了提高。
Storage and transportation of raw mink skins can be challenging due to changes in temperature and humidity.
由于温度和湿度的不稳定性，水貂生皮的储存和运输常常充满挑战。
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