名词
中文翻译：接触式推进器
同义词：
['contactor', 'contactor pump']
例句：
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1.The contacting plunger is responsible for the smooth operation of the machine.
接触式推进器负责机器的平稳运行。
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2.The engineer designed a new contacting plunger to improve efficiency.
工程师设计了一种新型的接触式推进器以提高效率。
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3.The contacting plunger was used in the manufacturing process to ensure accurate measurements.
接触式推进器在生产过程中被使用，以确保精确测量。