upper leather

基本解释

The key finishing procedures of cattle shoe upper leather were introduced, such as corrected grain leather, nappa leather, pulling up leather etc.
主要针对牛鞋面革中的修面革、纳帕革、油面革等品种，在涂饰过程中的主要操作进行了介绍。
In this paper, the key technology of finishing waterproof shoe upper leather with water -based systems was analysed according to the theory of wetting, adhesion and penetration.
本文依据润湿、粘着和渗透理论，分析了防水鞋面革水基涂饰的技术关键，论证了防水革涂饰中使用表面活性剂和溶剂的重要性。
The basic characters of napped shoe upper leather from yellow cow hide were introduced . The technology of fabricating eligible products for market was founded according to these characters.
介绍了黄牛纳巴鞋面革的基本质量特征，阐述了根据这些特征如何制定生产工艺，并生产出符合市场需求的产品。