乙烯-丙烯共聚物(乙丙橡胶),比重小于0.94
Ethylene propylene copolymer (EPDM) has a specific gravity of less than 0.94, and the content of ethylene monomer unit is higher than that of propylene monomer unit
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3901401090999乙烯-丙烯共聚物(乙丙橡胶),比重小于0.94(初级形状,乙烯单体单元的含量大于丙烯单体单元)复制