[KongchangAI]
Unverified78% confidenceFactTime unknown

回水系统的循环泵寿命通常与轴承和转子设计相关,屏蔽式湿转子泵因无机械密封、水润滑运行,理论寿命更长且免维护,适合长期无人值守场景

1
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78%
Confidence
Long-term
Relevance
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