问题描述: Fiber 1个回答 分类:英语 2014-10-18 问题解答: 我来补答 纤维级.一般用于描述复合材料.举例:Analysing standard of GB/T fiber grade PET chip and standard sample of fiber grade PET chipGB/T纤维级聚酯切片标准和纤维级聚酯切片标样的浅析 展开全文阅读