関連ワード:  what is thermodynamics in physics    what is thermodynamics in physics class 11    what is thermodynamics in physics class 12    what is thermodynamics in physics pdf    what is thermodynamics in physics with example    what is thermodynamics in physics formula    what is thermodynamics in physics definition    what is thermodynamics system in physics    what is thermodynamics process in physics    what is thermodynamics law in physics