Unverified80% confidenceDecision RuleTime unknown
带云台的落地支架要看阻尼类型:齿轮/丝杆调节比纯摩擦阻尼保持角度更稳,投影长期不下垂,选购时确认是否为『锁定式』而非『摩擦式』
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80%
Confidence
Long-term
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