Unverified84% confidenceDecision RuleTime unknown
成人救生衣合身测试：穿好收紧所有卡扣和腰带后，请他人抓住肩部向上提拉，若救生衣上滑到耳朵或口鼻位置则说明过大或未系裆带，浮力落水时会脱位
1
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84%
Confidence
Long-term
Relevance
-
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Unverified试穿检验法：穿好收紧后从肩部两侧向上提拉，若救生衣能拉过下巴或耳朵说明过大不合身；合身的救生衣提拉时应贴合身体不上滑91% similarUnverified试穿检测法：穿好后拉住肩部浮力块向上提，若救生衣上移超过耳朵或能从头部脱出，说明尺码过大或未系胯下带。合格状态下应贴身不上窜，孩子能自由抬臂84% similarUnverified选购时应确认调节点：优质救生衣有肩部、两侧腰部共4-6个可调扣带，穿好后从肩部上提衣身不应能拉过下巴，否则落水会上滑至头部导致脱落或呛水83% similarUnverified调节性优先看肩部和侧腰的绑带数量：至少需要2侧+肩部可调，穿好后向上提拉肩部救生衣不应过耳；调节不当会导致落水时救生衣上浮蒙住脸部，起不到保命作用81% similarUnverified裆部有固定带扣设计，可防止背心在水中上浮滑脱；购买时需确认裆带是否齐全并试穿调节，否则背心容易往上翻75% similar
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