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单词 pneumatic drill
释义

pneumatic drill

noun
/njuːˌmætɪk ˈdrɪl/
/nuːˌmætɪk ˈdrɪl/
(British English)
(North American English jackhammer)
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  1. a large powerful tool, worked by air pressure, used especially for breaking up road surfaces
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更新时间:2024/12/23 11:32:50