Movement along the supply curve.
供给数量的变化…
The segment of a supply curve in Figure 5.1(d) is not completely defined;
图5.1（d）中的供给曲线线段没有确切的定义；
Thus, the curve line of proper power supply can be made.
从而制定了较合理的供电曲线。
The municipal water supply networks, is very difficult to determine the line of a curve.
而在市政供水管网中，则很难得到一条确定的管路特性曲线。
The municipal water supply networks, is very difficult to determine the line of a curve.
而在市政供水管网中，则很难得到一条确定的管路特性曲线。
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