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Glass Types and general properties Bottle manufacture Bottle design Features
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content Introduction The Contain Function The Protect/Preserve Function Food Preservation The Transport Function The Inform/Sell Function
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Introduction Definition of paper Paper is defined as a matted or felted sheet usually composed of plant fiber Paper has been commercially made from such fiber sources as rags(inen), bagasse (sugar cane), cotton, and straw. Modern paper is made
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Background Steel is one of the older packaging materials. - Originally used for round, square, and rectangular boxes and canisters. - The oldfashioned- appearance of fabricated metal box is effectively used to create nostalgia for specialty and gift-type containers
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Historical perspective Corrugated Board Properties and Tests Corrugated Boxes Carrier Rules Stacking and Compression
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《机械设计基础》课程PPT教学课件(讲稿)第十一章 蜗杆传动
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《机械设计基础》课程PPT教学课件(讲稿)第八章 带传动
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1.了解掌握蜗杆传动的啮合特点、运动关系和几何参数; 2.掌握蜗杆传动的受力分析、强度计算和热平衡计算方法
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一、 剪切 1、剪切变形的特点 两外力与连接件轴线垂直,距离很近连接件横截面发生错位
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5-1 运动副及其分类 5-2 平面机构的运动简图 5-3 平面机构的自由度
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