润滑剂 润滑油英释中释
Its nozzle was smeared with some kind of lubricant..它的喷嘴上涂了种润滑油。
lubricant oil,润滑油
solid lubricant,固体润滑剂
lubricant film,润滑膜
oil lubricant,润滑油；油基润滑剂；润滑剂
gear lubricant,齿轮用润滑剂，齿轮油；齿轮润滑油
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