ventilating duct spacer是什么意思，ventilating duct spacer的翻译，ventilating duct spacer音标、读音、用法和例句

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ventilating duct spacer是什么意思，ventilating duct spacer的翻译，ventilating duct spacer音标、读音、用法和例句_绍翊字体网有道词典

ventilating duct spacer

基本解释

专业释义

土木建筑工程