名词
中文翻译：表面润滑
同义词：
['surface coating', 'surface treatment']
例句：
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1. The new tire has a special surface lubrication to improve traction.
新轮胎有特殊的表面润滑剂，以改善抓地力。
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2. The machine needs regular surface lubrication to maintain its efficiency.
这台机器需要定期的表面润滑来保持其效率。
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3. The doctor advised him to change the oil and apply a new surface lubrication after each use.
医生建议他每次使用后更换机油，并涂抹新的表面润滑剂。