Unverified80% confidenceFactTime unknown
剪刀张力螺丝松紧影响手感和寿命：正确张力为提起刀刃至水平后能自然缓慢闭合1-2格；过紧费力伤手且磨损快，过松剪毛会咬毛卡毛
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80%
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Long-term
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Unverified轴钉为螺丝可调（而非铆死）的剪刀，可在变松晃动后拧紧恢复剪切贴合度，寿命更长；铆死款一旦松动无法调整只能报废82% similarUnverified螺丝可调式设计的美容剪能通过松紧螺丝调节刀刃闭合松紧度，磨损或夹毛后可自行调整延长寿命，一体铆死款无法调整82% similarUnverified刀刃与握柄之间的连接方式决定寿命：一体成型或旋铆固定的比塑料卡扣式更耐用，卡扣式长期使用易松动导致刀刃晃动79% similarUnverified编织牢固度看'编股数'与'结的紧实度'：手指用力戳绳结缝隙不易松散、股与股之间无明显缝隙的更耐咬；廉价绳结常用胶水固定结点，胶水啃食有害79% similarUnverified手撕设计无需剪刀，但1.5丝厚度偏薄，拉伸时力度过大容易断裂，操作需适当控制力道79% similar
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