pneumatic drill
noun/njuːˌmætɪk ˈdrɪl/
/nuːˌmætɪk ˈdrɪl/
(British English) (North American English jackhammer)
- a large powerful tool, worked by air pressure, used especially for breaking up road surfaces
气钻
| 单词 | pneumatic-drill |
| 释义 | pneumatic drillnoun/njuːˌmætɪk ˈdrɪl/ /nuːˌmætɪk ˈdrɪl/ (British English) (North American English jackhammer)
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