短語詞組短語relative molecular mass and distribution 相對分子質(zhì)量及其分布broad relative molecular mass distribution 寬相對分子質(zhì)量分布cumulative relative molecular mass distribution 分子量累積分布differential relative molecular mass distribution 分子量微分分布polymer relative molecular mass distribution 聚合物的相對分子質(zhì)量分布 返回 relative molecular mass distribution