名词
中文翻译：打桩机
同义词：
['bulldozer', 'pneumatic hammer']
例句：
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1.The bull-puncher was used to break up the ice on the pond.
打桩机被用来打破池塘上的冰。
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2.The bull-puncher was used to level the land for construction.
打桩机被用来平整土地以供建设使用。
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3. The bull-puncher was used to clear the way for the new road.
打桩机被用来为新路清除障碍。