phase diagram of reservoir hydrocarbon

例句：

1. 1. The phasediagram of the reservoir hydrocarbon shows thedistribution of different types of oil and gas.
   储层烃类的相图显示了不同类型石油和天然气的分布。
2. 2. Inthe phase diagram, the two liquidsare in equilibrium at acertain temperature and pressure.
   在相图中，两种液体在一定的温压下处于平衡状态。
3. 3. The phase diagram helps us understandthe behavior of substances under different conditions.
   相图帮助我们理解物质在不同条件下的行为。