shoe-upper material的意思|示意

Study on thermoplastic material for the use new shoe upper doubling process in sneakers industry. To use polyethylene made in china in place of plastisol from orersea.

研究适用于胶鞋工业新型合布工艺的热熔材料，确定国产高压聚乙烯可作为替代进口热熔胶的高聚物。

The air permeability and the randomness of air permeability test of different shoe upper leather, shoe lining single -layer material and compounded samples were studied.

对不同鞋面革、鞋里材料单层和复合试样的透气性及其测试的随机性进行了试验研究。