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1. The contraflail design is a unique feature of this machine, making it stand out in the crowd.
这种反翼式设计是这台机器的独特特点，使它在众多机器中脱颖而出。
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2. The row cleaner has been designed to efficiently clean the surface of the boat, ensuring a smooth sailing experience.
排刷被设计用来高效地清理船的表面，确保航行过程中的平稳。
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3. The contraflail system has proven to be highly effective in reducing noise pollution, making it an ideal choice for environmentally consciousindividuals.
反翼系统已被证明能有效降低噪音污染，对于环保意识强的人士来说是一个理想的选择。