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baffled gravel-placement device造句

"baffled gravel-placement device"是什麼意思  
造句與例句手機版
  • Baffled gravel - placement device
    裝有隔板的礫石充填裝置
如何用baffled gravel-placement device造句用baffled gravel-placement device造句baffled gravel-placement device in a sentence和baffled gravel-placement device的例句由查查漢語詞典提供,版權所有違者必究。