A.0.05mm B.0.1mm C.0.2mm D.0.3mm
A.0.1-0.2mm B.0.2-0.3mm C.0.3-0.4mm D.0.4-0.5mm
A.實(shí)心聚乙烯 B.泡沫聚乙烯 C.聚苯乙烯 D.聚丙烯