名词
中文翻译：两级变速器
同义词：
["双级变速器例句：1. The two-stage torque converter is a crucial component of the engine's performance.（两级变速器是发动机性能的关键组成部分。）"]
例句：
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1. The two-stage torque converter is a crucial component of the engine's performance.
两级变速器是发动机性能的关键组成部分。
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2.The design of this torque converter has been optimized for maximum efficiency.
这种扭矩转换器的设计已经优化，以实现最大效率。
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3.The two-stage torque converter was developed specifically for use in high-performance vehicles.
两级扭矩转换器是为高性能汽车特别开发的。