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Train wheel
01
火车轮子
a large metal disk that rotates to help a train move along tracks
例子
Train wheels are subject to regular maintenance to prevent malfunctions and ensure passenger safety.
Each train wheel is carefully crafted to maintain stability and balance on the tracks.
Train wheels are designed to endure long journeys without needing frequent replacement.
The size and shape of a train wheel are standardized across different types of trains for interoperability.
The mechanics of a train wheel include bearings that reduce friction and ensure smooth movement.
