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润滑

HSK5adj, v
0 · Lv.1
rùnhuá

bôi dầu; tra dầu; bôi trơn

lubricate; oil; grease 润滑 轮子 lubricate the wheels [ 相关词条 ] 润滑剂 [名] lubricant 润滑孔 [名] lubricating hole 润滑器 [名] lubricator 润滑油 [名] lubricating/lubrication oil; lube (oil) 润滑脂 [名] (lubricating) grease

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