短语词组短語Propellor Shafts 傳動軸Propellor agitator 推進式propellor blade 風曏標Propellor pumps 螺鏇槳泵airplane propellor 飛機螺鏇槳圖片propellor shaff 傳動軸Dynamic Propellor 動態的螺鏇槳圖片polygon brain propellor 六角螺絲hex -head propellor 六角頭螺釘 返回 propellor