我和妈妈都喜欢旅游。每当出门在外,困了累了的时候,我会想,要是有张随身携带的小床该多好啊!后来,我注意到出门旅游,背包是必不可少的东西,如果能把背包变成床,既能当背包,又能当床,岂不是一举两得?于是,我设计了一个可变床的万能背包。设计中,最关键的是包的框架,开始采用PPR管,好焊接,但是一称质量,太重了!改用不锈钢管,实际焊接时,工人师傅则选用方形不锈钢管制成这个背包的内部框架结构,运用了折叠原理,收起来就像一个方形的盒子,打开就像一张床。我又请裁缝阿姨缝制一个大 Both my mother and I love traveling. Whenever I’m away from home, sleepy tired, I would like to, if there is a carry-on crib how good! Later, I noticed travel, backpack is an essential thing, if the backpack can change Into the bed, both as a backpack, but also when the bed, would it not serve two purposes? So, I designed a versatile universal adjustable backpack. Design, the key is the package of the framework, began to use PPR pipe, good welding, but a claim of quality, too heavy! Use stainless steel pipe, the actual welding, the workers were selected square stainless steel tube made of stainless steel backpack internal frame Structure, using the folding principle, put away like a square box, open like a bed. I also need a tailor sewing a big aunt