英语词汇oil-free piston expansion engine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	oil-free piston expansion engine
释义	oil-free piston expansion engine 简明释义无油润滑活塞式膨胀机专业释义 1 机械工程无油润滑活塞式膨胀机
随便看	primary field synchronization primary filament primary file primary file entry primary file key primary film primary filter primary filtrate primary fire control primary fire damage primary fission fragment primary fission-neutron energy primary fission product primary fission product primary fission product primary fission yield primary fissure Primary fissure of cerebellum primary flank primary flash distillate primary flat primary flat joint primary flat joints primary flaw primary flexure

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。