Unverified80% confidenceFactTime unknown
牵引腰带的判断标准：充气后应能明显感到上下两端向反方向撑开（拉伸腰椎），若只是环向收紧腹部则仅是加压护腰，不具备牵引功能，购买前需确认气囊为纵向撑开结构
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80%
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Long-term
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