名词
中文翻译：非返回式阀门
同义词：
['non-return valve', 'non-return check valve例句：1. The non-return foot valve is essential for preventing air leaks during the operation of the engine.（非返回式阀门对于防止发动机运行过程中的气密泄漏至关重要。）']
例句：
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1. The non-return foot valve is essential for preventing air leaks during the operation of the engine.
非返回式阀门对于防止发动机运行过程中的气密泄漏至关重要。
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2. In the design of the piston ring, the non-return foot valve plays a critical role in maintaining the sealing integrity of the cylinder head.
在活塞环的设计中，非返回式阀门在保持气缸头密封完整性方面起着关键作用。
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3. The non-return foot valve is used to prevent backflow of fuel and lubricant fromthe engine to the intake system.
非返回式阀门用于防止燃料和润滑油从发动机回流到进气系统。