Unverified85% confidenceDecision RuleTime unknown
真正救生用途应优先选带救援绳/牵引绳的救生圈(如环形抛投救生圈),便于岸上人员牵引落水者,无绳款仅能维持浮力无法辅助施救
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85%
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Long-term
Relevance
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