名词
中文翻译：单级泵轮机
同义词：
['single-stage turbine', 'single-stage pump', 'single-stage turbine generator']
例句：
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1. The single-stage pump is a compact and efficient solution for small water systems.
单级泵是小型水系统紧凑且高效的解决方案。
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2.The single-stage pump-turbine is used to generate electricity from the waste heat of the process.
单级泵轮机用于从工艺的废热中产生电力。
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3. The design of the single-stage pump-turbine has been optimized for maximum efficiency.
单级泵轮机的设计已经优化，以实现最大效率。