| 单词 | pneumatic hammer |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔power takeoff〕A mechanism attached to a motor vehicle engine that supplies power to a nonvehicular device, such as a pump or pneumatic hammer.分动器，动力输出机构：机动车引擎的辅助机构，能为非车辆装置提供动力，如泵或气动锤美国传统 |
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