名词
中文翻译：Unknown
同义词：
['emergency seal ring', 'emergency piston ring', 'emergency seal ring']
例句：
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1. The engine is experiencing a sudden surge in pressure due to the emergence of an emergency piston ring.
由于出现紧急活塞环，发动机突然压力激增。
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2.The technician quickly replaced the damaged emergency piston ring to prevent further damage.
技术员迅速更换了损坏的紧急活塞环，以防止进一步损坏。
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3. During maintenance, it's important to inspect the emergency piston rings for any signs of wear or damage.
在维护过程中，检查紧急活塞环是否有磨损或损坏的迹象非常重要。