形容词
中文翻译：双齿轮的
同义词：
['double-acted', 'double-acting']
例句：
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1. The car's engine is double-geared, which makes it run smoothly.
这辆车的引擎是双齿轮的，所以它运行得非常平稳。
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2. The double-geared system allows for more efficient energy use.
这种双齿轮系统允许更高效的能源使用。
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3. The double-geared transmission ensures smooth and precise shifting.
双齿轮变速器确保了平稳和精确的换挡。