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

单词	ball valve holder
释义	ball valve holder 英?[b?:l v?lv ?h?uld?] 美?[b?l v?lv ?hold?] 释义 [医]球瓣持瓣器：人造球型二尖瓣持瓣器
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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。