joecok
@joecok
Sun, Feb 12, 2017 12:10 AM
Mystery of Prince Rupert's Drop at 130,000 fps - Sma...
joecok
@joecok
說
Sun, Feb 12, 2017 12:10 AM
鐵鎚敲不碎的超強玻璃 - Mystery of Prince Rupert's Drop
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