英语词汇piston rings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 rings
释义	piston ring 活塞环;活塞(胀)圈 [亦作packing ring, ring]
随便看	Dirac theory Dirac wave function diradical diradicals Dirae dirdum dire direc.prop. direct directable direct access directaccess direct-access library direct-access memory direct-access storage direct-access storage device direct-acting direct action direct-action fuse direct actionist direct actions direct address direct addressing direct-address processing direct against

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。