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1. The engine needs thinned lubricant to keep it running smoothly.
发动机需要润滑油来保持顺畅运行。
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2. The carwas given a fresh coat of thinnedlubricant before the long journey.
在长途旅行前,汽车被涂上了新的润滑油。
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3. The mechanic used thinnedlubricant to replace the oldoil in the gearbox.
机械师用润滑油替换了齿轮箱中的旧油。