為什麽汽水罐、熱水瓶和玻璃杯等都是圓柱?
回答 (2)
2007-07-05 6:50 am
✔ 最佳答案
because circular cylinder has the highest capacity with the less surface area and circular cylinder has the lowest stress concentration compare with other cylinders.
2007-07-05 4:12 am
因為圓柱容易被手楂緊!!
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原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070704000051KK04082