翼動(dòng)系數(shù) flapping: 揮拍的; 揮舞的; 拍動(dòng); 拍平; 拍水現(xiàn)象; 撲動(dòng); 振顫; 振動(dòng)blade flapping: 槳葉揮舞flapping (of belt): 波動(dòng)（皮帶）flapping acceleration: 揮舞加速度flapping action: 揮舞運(yùn)動(dòng)下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
