Unverified80% confidenceTradeoffTime unknown
隧道骨架分螺旋钢丝圈和塑料环两类：钢丝圈可折叠成饼状收纳（直径约35cm）但反弹时易夹伤；塑料环稳定性强不塌陷但基本不可折叠
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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Unverified线圈装订虽可360度翻折平摊但金属圈会硌手且不便放包内，追求长期携带且在意外观选锁线胶装（可180度平摊）更耐用77% similarUnverified金属折叠支架的铰链结构比塑料铰链耐用得多，塑料铰链在开合3000次左右易松脱失去角度锁定，日常高频使用应选铝合金铰链77% similarUnverified折叠屏风的连接铰链是易损点，选择带金属轴承或加固卡扣的铰链，反复折叠寿命更长，塑料卡扣款在潮湿环境下易脆裂77% similarUnverified支架式蚊帐防塌关键在支架材质：不锈钢管＞加厚玻璃纤维杆＞普通塑料杆，管径≥19mm的不锈钢支架承重稳定不晃动77% similarUnverified叠放稳定性看四角是否有凹凸卡槽互扣设计，仅靠盖子平面摩擦叠放的款式，横向推力下容易错位倒塌；卡扣式互锁结构可叠4-5层不晃77% similar
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