名词
中文翻译：气动锤
同义词：
['air hammer', 'pneumatic hammer']
例句：
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1.The pneumatic hammer is used to drive the concrete into the ground.
气动锤用来将混凝土打入地面。
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2. The pneumatic hammer was invented by a man named John Doe.
气动锤是由一个叫约翰·多的人发明的。
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3. The pneumatic hammer is very useful for driving large pieces of metal into the ground.
气动锤对于将大块金属打入地面非常有用。