不錯的網頁 介紹水蒸汽工程和配管
https://www.spiraxsarco.com/learn-about-steam/steam-engineering-principles-and-heat-transfer/heat-transfer
https://kknews.cc/zh-tw/news/338vn4g.html
https://www.thornen.com/post/%E5%B7%A5%E6%A5%AD%E8%92%B8%E6%B1%BD%E6%B8%9B%E5%A3%93%E7%AB%99%E7%9A%84%E9%85%8D%E7%BD%AE
