air drill

基本解释

The anti-skid drill chuck is especially suitable for the drill chuck used for the machine tool, the electric drill, and the air drill.
該防滑鑽夾頭特別適郃作爲機牀、電鑽、風鑽上用的鑽夾頭。
ip.com
The sequence of excavation for the shaft of diversion system at Pushihe storage power station is to excavate the pioneer well used by back well boring machine, then by hand air drill to expand it.
蒲石河抽水蓄能電站引水系統中的竪井開挖，擬採用反井鑽機進行導井開挖，人工手風鑽鑽孔擴挖的方式施工。
Suitable for broaching or tapping in the cabined place. The air drill is light, good rigidity an can be used for drilling in reverse, aiguilles of which has short distance form the border to center.
用於狹窄部位鑽孔，擴孔攻絲等作業，具有重量輕，剛性好，鑽削頭邊心距小等特點，且可反轉。

These dry, 15-to-20-second statements are as fun to listen to as the dentist's drill, and make the air only under the strictest of rules: There can be no mention of products, and no appeal to buy anything.
FORBES: Public Radio Goes Begging
They also noted the deployment of Russia's most advanced S-400 air defence system in Belarus and a parallel drill conducted by the Strategic Rocket Forces, the guardians of the Kremlin's nuclear arsenal.
ECONOMIST: NATO and Russia