基本解釋n.底架同根派生 underbed相關(guān)詞英漢例句用作名詞 (n.)The present invention provides one kind of dumper truck and its carriage underbed.本發(fā)明提供了一種自卸車的車廂底架以及具有該車廂底架的自卸車。underbed更多例句