名词中文翻译
中文翻译：Unknown
同义词：
['ball pitcher', 'pitch pipe', 'pitch tube']
例句：
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1. The pitch pipe is used to direct the ball onto the field.
投球管用于将球导向球场。
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2. The pitcher's job is to deliver the ball into the batter's hand.
投手的任务是将球传递给击球手。
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3. The pitch pipe is a crucial component of the baseball batting machine.
投球管是棒球打击机器的关键部件。