[KongchangAI]
Unverified78% confidenceCautionTime unknown

背背两用款的拉杆和轮子固定在背部一侧,背负时拉杆硬结构会顶到脊背造成不适;若孩子实际以背为主,纯双肩减负书包体验优于两用款

1
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78%
Confidence
Long-term
Relevance
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