英语词汇cavity wall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	cavity wall
释义	cavity wallBrE /ˌkævəti ˈwɔːl/NAmE /ˌkævəti ˈwɔːl/ nouna wall consisting of two walls with a space between them, designed to prevent heat from escaping （有保暖作用的）空心墙，夹壁墙◆cavity wall insulation 空心墙隔热
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