coextrudedBNC²³⁶²¹³⁺¹ 基本例句 共混型的；共挤的 In this paper was introduced a kind of design of coextrusion head, which coextruded three-layer hollow container. 本文介绍一种用两台挤出机共挤复合三层塑料中空容器机头的模具设计。 cnki Packing Coextruded paper bags lined with polyethylene film bags. Net weight20 kg per bag. 包装复合纸袋，内衬塑料薄膜袋，净重20公斤。 youle360