常見例句duckfoot shovel 鴨腳鋤鏟,箭形鋤鏟duckfoot 直角彎管duckfoot bend 鴨腳彎頭;直角彎管duckfoot cultivator 鴨掌鏟式中耕機duckfoot sweep 鴨腳鏟 返回 duckfooted