Unverified85% confidenceDecision RuleTime unknown
学步期防摔服的防护重点应覆盖膝盖、臀部和后脑三处，缺一不可。1岁左右婴幼儿摔倒后30%为后仰摔，因此带头部防护(护脊/护头设计)的比只护膝的更适合刚学步阶段
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