名词
中文翻译：同心活塞环
同义词：
['圆周活塞环例句：1. The engine is running smoothly with the new concentric piston ring installed.（新安装的同心活塞环使发动机运行顺畅。）2. The technician replaced the worn out concentric piston ring with a new one.（技术人员用一个新的来替换磨损的同心活塞环。）']
例句：
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1. The engine is running smoothly with the new concentric piston ring installed.
新安装的同心活塞环使发动机运行顺畅。
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2. The technician replaced the worn out concentric piston ring with a new one.
技术人员用一个新的来替换磨损的同心活塞环。
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3.The engineer inspected the concentric piston ring for any signs of wear or damage.
工程师检查同心活塞环是否有磨损或损坏的迹象。