pneumatic drill
Longman Dictionary of Contemporary English 5++LDOCE 5++pneuˌmatic ˈdrill noun [countable] 
especially British EnglishTZTEC a large powerful tool worked by air pressure and used for breaking up hard materials, especially road surfaces 风钻 SYN American English jackhammer
especially British EnglishTZTEC a large powerful tool worked by air pressure and used for breaking up hard materials, especially road surfaces 风钻 SYN American English jackhammerExamples from the Corpus
pneumatic drill• Minutes later he was making a noise like a pneumatic drill.• Her left arm by her side, her right elbow out at an angle and her forearm shaking like a pneumatic drill.• Perry, in a fishing jacket, moving like a marionette that swallowed a pneumatic drill.• At 100 decibels, the level produced by a chain saw or pneumatic drill, the allowable exposure is three hours.pneuˌmatic ˈdrill nounChineseSyllable
worked by a powerful large Corpus tool
pneumatic drill
pneuˌmatic ˈdrill
noun [countable]
especially British English a large powerful tool worked by air pressure and used for breaking up hard materials, especially road surfaces
SYN jackhammer American English
pneuˌmatic ˈdrill
noun [countable]especially British English a large powerful tool worked by air pressure and used for breaking up hard materials, especially road surfaces
SYN jackhammer American English