英语词汇PONA number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	PONA number
释义	PONA number 简明释义波纳值英英释义 abstract: 1 The PONA number is an index for oil components. It is used to determine the paraffins (P), olefins (O), naphthenes (N) and aromatics content of FCC (fluid catalytic cracking) and coker (visbreaker) gasoline.
随便看	debt servicing debt servicing capacity debt serving debt settlement debts of decedent paid debts of equal degree debts of the deceased paid debts on bill debts plus interest debts-provable in bankruptcy debts provable in bankruptcy debts statistics debts-to-equity debt structure debt subject to statutory limit debt sustainability debt swap debt syndication debt tables debt-to-asset ratio debt to asset ratio debt to assets ratio debt-to-capital debt-to-capital ratio debt to equity

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。