英语词汇average relative molecular mass怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	average relative molecular mass
释义	average relative molecular mass 简明释义平均相对分子质量网络释义 1 ?平均相对分子质量平均相对分子质量短语 1 number average relative molecular mass 数均相对分子质量 2 weight-average relative molecular mass 重均相对分子质量 3 weight average relative molecular mass 重均相对分子质量双语例句 1 The changes of viscosity, hydrocarbon composition and average relative molecular mass of Shengli heavy oil in catalytic upgrading by oil-soluble catalyst XAGD-2 were investigated. 研究了采用油溶性催化剂XAGD - 2催化改质胜利稠油过程中稠油黏度、组成和平均相对分子质量的变化。
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