名词
中文翻译：永久水压平衡泵
同义词：
['permanent water balance pump', 'permanent water pressure balance pump']
例句：
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1. Thenew permanent water balance pump has significantly improved the efficiency of the system.
新的永久水压平衡泵大大提高了系统的效率。
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2.The engineers installed a permanent water balance pump to ensure constant water supply during power outages.
工程师安装了一台永久水压平衡泵，以确保在停电期间持续供水。
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3.The company is considering replacing its old permanent water balance pump with a more efficient model.
该公司正在考虑用更高效的模型替换其旧的永久水压平衡泵。