等容线

例句：

1. 1. The graph shows the relationship between two variables on an equal-scaled graph.
   这个图显示了两个变量在等比例图上的相关关系。
2. 2. The physicist used a balance to measure the mass of the object.
   物理学家使用天平来测量物体的质量。
3. 3. The chemical equation is balanced, meaning that all the reactants have been consumed and all the products havebeen produced.
   化学反应方程式是平衡的，意味着所有的反应物都已经消耗并且所有的产物都已经产生。