風傳媒瓶裝汽水底部為何都要做五爪形？專家揭超強真實用途，不是因為偷工減料
未署名
<![CDATA[<img src="https://image.cache.storm.mg/styles/smg-150x150-fp/s3/media/image/2017/04/16/20170416-123437_U3250_M269327_85c9.jpg?itok=RfpNveLM">...
<![CDATA[<img src="https://image.cache.storm.mg/styles/smg-150x150-fp/s3/media/image/2017/04/16/20170416-123437_U3250_M269327_85c9.jpg?itok=RfpNveLM">...