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lubricating system /ˈluːbɹɪkˌeɪtɪŋ ˈsɪstəm/ n

中文：润滑系统

中文 · 润滑系统Español · sistema de lubricaciónFrançais · système de graissage
Meaning：Device circulating oil throughout the engine to reduce friction between its moving parts.
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Diesel locomotive

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