constitutional diagram的用法和样例：
例句
- This is repeated for many different compositions and temperatures to generate the phase diagram.
为了制成相图，对许多不同组成和温度重复进行操作。 - Therefore we believe this phase diagram can apply to phase diagram analysis of trona carbonation and phase diagram calculation.
最终认为该相图同样可用于天然碱碳酸化相图分析与相图计算。
