电钻

diàn zuàn cāo zuò gōng rén

电钻操作工人

drill operator

wú xiàn xíng diàn zuàn

无线型电钻

a cordless drill

gāi fáng huá zuàn jiā tóu tè bié shì hé zuò wéi jī chuáng diàn zuàn fēng zuàn shang yòng de zuàn jiá tou

该防滑钻夹头特别适合作为机床、电钻、风钻上用的钻夹头。

The anti-skid drill chuck is especially suitable for the drill chuck used for the machine tool, the electric drill, and the air drill.