英语词汇petroleum fraction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

petroleum fraction

释义

petroleum fraction

1
?石油馏分
... partial fractions 【数学】部分分数[式]。 petroleum fractions 石油馏分 reciprocal fractions 倒分数 ...

短语

1
In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。
2
Product description: Rubber process oil is from processed petroleum fractions, such as hydrogenation.
橡胶软化油是由石油馏分经加氢等精加工而成橡胶处理油。
3
A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed.
本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。

随便看

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	petroleum fraction
释义	petroleum fraction 简明释义石油馏分网络释义 1 ?石油馏分 ... partial fractions 【数学】部分分数[式]。 petroleum fractions 石油馏分 reciprocal fractions 倒分数 ... 短语 1 narrow cut petroleum fractions 石油窄馏分 2 heavy petroleum fractions 重质石油馏分 3 conversion of petroleum fractions 石油馏分转化双语例句 1 In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene. 石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。 2 Product description: Rubber process oil is from processed petroleum fractions, such as hydrogenation. 橡胶软化油是由石油馏分经加氢等精加工而成橡胶处理油。 3 A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed. 本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。
随便看	spell it out spelling match spelling mistake spelling mistakes spell off spell out spelling program spelling pronunciation spelling pronunciation spelling reform spelling rule spellings spelling signal spelling table spelling variation spell it spell it out spell-like Spellman spellmans Spellman spello spell off spell off spell off