?高密度聚乙烯
... 支链线型底密度聚乙烯 branched linear-low-density pe 高密度聚乙烯 hdpe high density ployethylene(pe-hd); high de ity polyethylene (hdpe); high density polyethylene, hdpe; high-density poly(ethene); high-density polyethylene; polyethylene high density 中密度聚乙烯 intermediate-density polyethylene; mdpe medium density polyethylene(pe md); medium de ity polyethylene; medium-density polyethylene ...