名词
中文翻译：固定油
同义词：
['solid oil', 'fixed fuel', 'stationary oil']
例句：
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1. Theengine requires a certain amount of fixed oilto operate smoothly.
发动机需要一定量的固定油来顺畅运行。
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2. The car has beenfixed with a new set of wheels andthe old ones have been replaced with anew set.
汽车已经换上了新的轮子，旧的已经被替换掉了。
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3. Theoil in the tank is fixed and cannotbe drained easily.
油箱里的油是固定的，不容易被排空。