ring and groove joint是什么意思，ring and groove joint的翻译，ring and groove joint音标、读音、用法和例句

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ring and groove joint是什么意思，ring and groove joint的翻译，ring and groove joint音标、读音、用法和例句_菜篮子兴趣思朗文词典

ring and groove joint

基本解释

专业释义

机械工程