英语词汇piston ring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	piston ring
释义	piston ring 活塞环;活塞(胀)圈 [亦作packing ring, ring]
随便看	idle hours idle loiter away one's time idle loiter away time idleness idlenesses idle pulley idle pulleys idler idler frequency idler gear idler pulley idler pulleys idlers idler wheel idle shop idle squander one's time idle squander time idlesse idlest idle talk idle talks idle time idle timer idle waste one's time idle waste time

英汉双解词典包含483723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。