Shockproof packaging can be compared with the cutting, forming; due to greater difference in density can also have a wider range of uses.
相对于防震包装可以切割、成型；因密度差异较大，还可以有更为广泛的用途。
2
The relations between process and product characteristic of straw packaging material and the influence ofdensityof straw packaging material on its performance were studied.
研究了麦秸防护内衬包装材料的工艺和产品特性之间的关系，以及密度对这种材料性能的影响。
3
With the increase of chip integration level and packagingdensity, the heat density generated in computer keeps increasing exponentially in recent years.