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rosin是什么意思？

基础释义
例句

rosin

相关单词 androsin butirosin cerosin chondrosin isotephrosin leprosin microsin rosiness rosin ester rosinyl

例句

The present key problem on bad dispersivity and stabilization of rosin size is solved aptly. 较好解决了目前施胶剂的分散性和稳定性不良这一关键性问题.
Gardner chromaticity value and color grade of solid gum rosin was determined a Lovibond automatic colorimeter. 采用罗维邦自动比色仪可以直接测定固体脂松香的加纳色度值和颜色级别.

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