名词
中文翻译：真空性能
同义词：
['vacuum performance index', 'vacuum performance parameter']
例句：
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1. The vacuumperformance of the new vacuum cleaner is significantly better than its predecessor.
这款新型吸尘器的真空性能明显优于前一代。
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2.The vacuum performance of the new filter is much better than the old one.
这款新过滤器的真空性能比旧的要好得多。
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3.The vacuum performance of the new engine has been greatly improved compared to the previous model.
与前款相比，新款发动机的真空性能有显著提升。