[KongchangAI]
Unverified82% confidenceFactTime unknown

阀门执行机构分机械丝杆式和电磁式:机械丝杆式(步进电机)关阀力矩大、可靠性高但耗电快,需外接电源;电磁式省电可电池供电但对管道口径和气压适配范围窄

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82%
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Long-term
Relevance
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