The effects of the grain size and grain gradation of styrofoam particles as well as the expendable polystyrene(EPS)forming tools on the surface roughnessof EPS patterns were studied in the paper.
研究了泡沫聚苯乙烯粒径、泡沫颗粒的粒度级配、成型发泡模具对EPS模表面粗糙度的影响。
2
The larger the roughnessof leaf surface, the larger density of the particles was.