发布时间:2025-01-31 12:27:19
1、当然是牛皮革相对好一点。
2、牛皮一般是指从牛身上剥下来的未经脱毛和鞣制等物理、化学加工的生牛皮。而生牛皮经过脱毛和鞣制等物理、化学加工所得到的已经变性、不易腐烂的动物皮,再经过修饰和整理,做成的材质即为成品革,又称牛皮革。
园林绿化资质取消后是不是干绿化工程不需要资质了具体还需要什么
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