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罐头鞋
果蔬罐头的加工工艺论文
福建农林大学课程论文 0 目录 1.摘要 ````````````````````````````````````````````````````````````````````````````````````````1 2.关键词 `````````````````````````````````````````````````````````````````````````````````````1 3.引言 ````````````````````````````````````````````````````````````````````````````````````````1 4.正文 4.1果蔬罐头的分类及原料 4.1.1分类 `````````````````````````````````````````````````````````````````````````
鞋检测鞋检验成分分析
鞋检测 鞋检验 成分分析 鞋的产生与自然环境、人类的智慧密不可分。远古时代，土地的高低不平，气候的严寒 酷暑，人类本能地要保护自己的双脚，于是就出现了鞋：简单包扎脚的兽皮，树叶，便成了 人类历史上最早的鞋。 检测产品 皮鞋、劳保鞋、运动鞋、绝缘鞋检测、户外鞋、 胶粘皮鞋、硫化皮鞋、缝制皮鞋、模压 皮鞋、皮凉鞋、出口皮鞋、皮拖鞋、室内皮便鞋、皮拖鞋、聚氯乙烯微孔塑料拖鞋、注塑鞋 (塑料鞋面 ) 、模压塑料鞋、橡塑冷粘鞋、组装拖凉鞋 (塑料鞋面 ) 、彩色雨靴 (鞋) 、黑色雨 靴 (鞋 ) 、轻便胶鞋 、橡塑凉拖鞋、棉胶鞋 、出口布鞋、出口布拖鞋、运动鞋、旅游鞋、 布面童胶鞋、室内鞋、劳动鞋、胶面防砸安全鞋、婴儿鞋、耐油防护鞋、工业靴等。 检测项目 鞋的材料以天然纤维织物和皮革为主，近代以来化工合成材料渐多。 分类：按鞋的结构可分面料（鞋帮料）、里料、底料、辅料 4 类。 面料：主要有皮革、