Şunu aradınız:: 及核心和表皮聚合物 (Çince (Modern) - İngilizce)

当需要新的两种类型乙烯-醋酸乙烯酯（eva）共聚物（及核心和表皮聚合物）供应商时，要进行活动选择最合适的材料/制造商。
when a new supplier for both types of ethylene vinylacetate (eva) copolymers (i.e. core and skin polymer) was needed, activities were performed to select the most suitable material/manufacturer.

鋰離子聚合物電池
lithium polymer battery