英语词汇per-bituminous coal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	per-bituminous coal
释义	per-bituminous coal 简明释义超高阶烟煤专业释义 1 经济学高氢烟煤
随便看	pumping depression area pumping depression cone pump diaphragm pumping draft pumping drainage pumping drainage and irrigation pumping duration pumping effect pumping efficiency pumping effort pumping element pumping element spacing pumping energy pumping energy storage pumping engine pumping enginer pumping equipment pumping fluid pumping frequency pumping friction pumping function pumping gear pumping grinding mill pumping head pumping head of capillarity

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。