?低密度聚乙烯
... 线型低密度聚乙烯树脂 linear low density polyethylene resin 低密度聚乙烯 black ldpe jacket compound; ldpe = low density poly ethylene; ldpe low density polyethylene(pe-ld); low de ity polyethylente; low density polyethylene ldpe; low density polyethylente; low-density poly(ethene); low-density polyethylene; new ldpe (film grade) 超低密度聚乙烯 ultra low density polyethylene, uldpe; ultra-low density polyethylene; very low density polyethylene ...