“all-position electorde”的概念、定义、翻译、参考文献-科学参考

单词	all-position electorde
释义	all-position electorde 全位置焊条
随便看	under grazing under ground underground underground air passage underground air raid shelter underground alignment underground bud underground burial chamber underground cable underground cable box underground car park underground chamber underground channel underground coal gasification underground coal mining district underground collector underground conduit underground conduit net underground conveyer underground dam underground disposal underground distribution underground drain underground drainage under ground drainage system

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