fritted hearth bottom是什么意思，fritted hearth bottom的翻译，fritted hearth bottom音标、读音、用法和例句

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fritted hearth bottom是什么意思，fritted hearth bottom的翻译，fritted hearth bottom音标、读音、用法和例句_沉淀汉英词典

fritted hearth bottom

基本解释

专业释义

机械工程