weld flow mark是什么意思，weld flow mark的翻译，weld flow mark音标、读音、用法和例句

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weld flow mark是什么意思，weld flow mark的翻译，weld flow mark音标、读音、用法和例句_贰靶汉英词典

weld flow mark

基本解释

专业释义

機械工程