one-stroke arrowhead是什么意思，one-stroke arrowhead的翻译，one-stroke arrowhead音标、读音、用法和例句

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one-stroke arrowhead是什么意思，one-stroke arrowhead的翻译，one-stroke arrowhead音标、读音、用法和例句_流逝汉英词典

one-stroke arrowhead

基本解释

专业释义

機械工程