名词
中文翻译：活塞环研磨机
同义词：
['piston ring polishing machine', 'piston ring honing machine']
例句：
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1. Thepiston ring grinding machine is essential for maintaining the engine's smooth operation.
活塞环研磨机对于保持发动机的平稳运行至关重要。
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2. The engineer used the piston ring grinding machine to remove the worn-out parts of the engine.
工程师使用活塞环研磨机来去除发动机磨损的部分。
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3.The piston ring grinding machine is widely used in automotive industries due to its high efficiency and precision.
由于其高效率和高精度，活塞环研磨机在汽车工业中被广泛使用。