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乒乓球坏了怎么办
更新时间: 2021-01-05 07:43:38  

1、看乓乒球坏的程度及是否有裂缝而定。如果凹陷小且没有裂缝,则可用开水烫(在密闭容器内更好) 。这是利用了空气的热胀冷缩原理,物体在一般状态下,受热以后会膨胀,在受冷的状态下会缩小。

2、要是有裂缝的话, 那就再买新的。

关键词: 乒乓球 怎么办

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