名词
中文翻译：铅基润滑脂
同义词：
['lead grease', 'lead base oil', 'lead-based grease']
例句：
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1.The engine needs a good amount of lead-base grease to keep running smoothly.
发动机需要大量的铅基润滑脂来保持顺畅运行。
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2. The old car needed some lead-base grease to get it started again.
这辆旧车需要一些铅基润滑脂才能再次启动。
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3. The mechanic used lead-base grease to lubricate the gears before he replaced them.
机械师在更换齿轮之前，用铅基润滑脂进行了润滑。