[請益] 冷媒
最近想到，為何冷氣要使用氟氯烷類化合物作為工作流體？
明明純水也是可以作為冷媒來使用，為何一定要使用貴又麻煩的氟氯烷呢？
好吧，這次的問題只有兩行。
--
「如果我沒錯認你們，你們必也自知都是天上的子民，本來不從屬於誰，即使不完全自由
，卻都自由，平等地自由；因為地位和等級，跟自由不相矛盾，可以和諧地共存。那麼，
論理性和正義，誰能對平等的同輩冒稱帝王而君臨？論權利和光榮，雖有所不同，但論自
由，卻都是平等的，我們本沒有法律，也不犯罪，怎能拿法律和命令壓在我們頭上。」
--撒旦對天使演說。<失樂園>，彌爾敦，1667
--
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