英语词汇dual ball check valve的读音、用法、中文释义、短语词组及例句-英汉双解词典

单词	dual ball check valve
释义	dual ball check valve [?dju:?l b?:l t?ek v?lv] 释义双球止逆阀
随便看	filling hierarchy filling hole filling hopper filling hose filling house filling hydrograph filling in fillingin filling-in filling-in board filling-in paste filling-in point widening filling in ring filling-in ring filling insert filling instrument filling insulant filling irregularity filling jars filling knife filling knitted fabric filling knitting filling knitting machine filling layer filling level

英汉双解词典包含4367426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。