预 延 伸:善用材料本身延展特性做0~250 %预延伸功能大幅节约包装材料 无段变速:缓慢起动及停止装置设计防止产品在瞬间启动与紧急停止时货物倒落 局部加强:切换式三段变换包装设计针对产品特性快速的变换包装...。
46;doc docin.com豆丁#摘要 ······························································································································ 1 关键词 ·························································································································· 1 前 言 ·······························································。