名词
中文翻译：弹簧回弹式油环
同义词：
['spring-returning oil ring', 'spring-returning oil ring', 'spring-returning oil ring']
例句：
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1. The design of this spring-backed oil ring is very innovative.
这种弹簧回弹式油环的设计非常创新。
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2.The spring-backed oil ring has greatly improved the efficiency of the engine.
弹簧回弹式油环大大提高了发动机的效率。
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3. The spring-backed oil ring is a crucial component in the lubrication system.
弹簧回弹式油环是润滑系统中至关重要的部件。