名词中文翻译
中文翻译：活塞密封膨胀器
同义词：
['piston packing', 'piston seal expander例句：1. The piston packing expander is used to improve the efficiency of the engine.（活塞密封膨胀器用于提高发动机的效率。）']
例句：
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1. The piston packing expander is used to improve the efficiency of the engine.
活塞密封膨胀器用于提高发动机的效率。
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2.The piston packing expander was designed to prevent oil leaks in the cylinder.
活塞密封膨胀器被设计用来防止气缸中的油泄漏。
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3. The piston packing expander is a critical component of the engine's operation.
活塞密封膨胀器是发动机运行的关键部件。