英语词汇ball-valve action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	ball-valve action
释义	ball-valve action 简明释义球瓣作用网络释义短语 1 quick-action ball valve 快动作球阀 2 action ball valve 快动作球阀双语例句 1 Ball is a sphere with a circular channel for gate parts, ball rotation with the stem of the valve action to achieve headstock. 球阀原理，球阀是用带有圆形通道的球体作启闭件，球体随阀杆转动实现启闭动作的阀门。
随便看	substitute item substitute king substituteless substitute load substitute manifestations substitute map substitute(material) substitute material substitute material substitute member substitute mode substitute money substitute mother substitute name substitute natural gas substitute natural gas, SNG substitute of a damaged ship substitute of vessel substitute part substitute part substitute point substitute product substitute products substitute queen substituter

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。