名词
中文翻译：凹槽磨损
同义词：
['groove wear', 'groove damage', 'groove wear and tear']
例句：
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1. The car's engine has started to show signs of groove wear.
这辆车的引擎开始显示出凹槽磨损的迹象。
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2. The old wooden floorboards were showing groove wear after years of use.
经过多年的使用，旧木制地板板条出现了凹槽磨损。
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3. The groove wear on the tires is a sign that they need to be replaced.
轮胎上的凹槽磨损表明它们需要更换了。