barreltumbler的知识聚焦

barrel,tumbler词语：barrel,tumbler解释：滚筒词典：专利专业英汉词典barrel,tumbler相关解释滚筒roller滚筒barrel;expansioncylinder;reel;roller;tumbler滚筒hoistingdrum滚筒roller滚筒drum;roller滚筒pulley;roller;t...