Unverified80% confidenceFactTime unknown
新球或存放过久的球气压需按标称充足(多数儿童球标准气压约0.5-0.6bar/7-9psi),气不足会导致弹跳无力、孩子拍不起来,误以为球质量差
1
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80%
Confidence
Long-term
Relevance
-
First Seen
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