3222| 18
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一個易拉罐踩扁需要多大的力? |
點評
這是真的,小時候踩扁覺得太費腳,試過站上去壓不扁。
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Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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