[KongchangAI]
Unverified80% confidenceTradeoffTime unknown

撑高机构分螺旋顶丝式和弹簧张紧式:螺旋顶丝张力大、稳定性强但安装需反复调平;弹簧式安装快但长期使用张力衰减需定期检查。承重要求高选螺旋式,租房临时用选弹簧式

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80%
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Long-term
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