平板舵 rudder plate: 舵板舵葉; 舵葉板flat plate: 平板; 淺平盤flat slab flat plate: 無梁樓蓋side-plate (or double plate) rudder: 復(fù)板舵center plate rudder: 單板舵下載手機(jī)詞典可隨時隨地查詞查翻譯