middle buster英 [ˈmɪdl ˈbʌstə(r)]美 [ˈmɪdl ˈbʌstər]双壁开沟（挖薯）犁网络英英释义nounmoldboard plow with a double moldboard designed to move dirt to either side of a central furrowSynonym:listerlister plowlister ploughmiddlebreaker
