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润滑脂是半固体油脂,用于机械零件间的摩擦部位,起润滑和密封作用,也用于金属表面,起填充空隙和防锈等作用。
Grease is a semi-solid grease used for friction between mechanical parts, lubrication and sealing, but also for metal surfaces, from the role of filling voids and rust.