Unverified88% confidenceDecision RuleTime unknown
带锁紧机构（真空泵/杠杆压紧）的吸盘承重是普通按压式的2-3倍，且抗蠕变（长期不掉落）能力显著更强，承重需求＞3kg或需长期固定时必须选带锁紧结构的
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88%
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Long-term
Relevance
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