arch brick for manholes是什么意思，arch brick for manholes的翻译，arch brick for manholes音标、读音、用法和例句

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arch brick for manholes是什么意思，arch brick for manholes的翻译，arch brick for manholes音标、读音、用法和例句_绍翊字体网有道词典

arch brick for manholes

基本解释

专业释义

土木建筑工程