英语词汇petroleum hydrometer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 hydrometer
释义	petroleum hydrometer 简明释义石油比重计网络释义 1 ?石油比重计 ... petroleum grease 石油润滑脂 petroleum hydrometer 石油比重计 petroleum leve 石油醚 ... 短语 1 Specification for petroleum hydrometer 石油密度计技术条件双语例句 1 Three conventional methods for measurement of petroleum density are described in the present paper. They are pycnometer method, hydrometer method and digital densimeter method. 本文介绍了三种测定石油密度的方法，传统的密度计法和密度瓶法及现代的数字密度计法。
随便看	high-gain amplifier high gain amplifier high-gain and low-drift operational amplifier high gain antenna high gain antenna high gain-band-width differential amplifier high-gain cryotron high-gain gas laser high-gain gray scale display high gain gray scale display high-gain image intensifier high-gain imaging array high-gain laser high-gain linear circuit high gain link high-gain loop high gain loop high-gain maser high gain operational amplifier high-gain oscillation high-gain oscilloscope high gain oscilloscope high gain photomultiplier highgain photomultiplier high gain preamplifier

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。