名词
中文翻译：活塞环密封
同义词：
['piston ring', 'cylinder head seal例句：1. The pistonring seal is essential for preventing oil leakage in the engine.（活塞环密封对于防止发动机油泄漏至关重要。）2. The cylinderhead seal is designed toprevent air from entering the engine.（气缸头密封设计用来防止空气进入发动机。）']
例句：
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1. The pistonring seal is essential for preventing oil leakage in the engine.
活塞环密封对于防止发动机油泄漏至关重要。
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2. The cylinderhead seal is designed toprevent air from entering the engine.
气缸头密封设计用来防止空气进入发动机。
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3. The piston ring seal is acritical component of the engine's combustion chamber.
活塞环密封是发动机燃烧室的关键部件。