flow calculation的用法和样例：
例句
- The merits of flow measurement by this method and a practical method of flow calculating in non-cylindrical pipes are described.
简述了使用此方法进行流量测量的优点和在非圆管流流量计算中的应用方法。 - The empirical equations for caculating the discharge of the sluiceway are suggested after the discharge characteristic regions and flow types are given.
在给出泄流特性分区及流态划分后，提出该种泄水道的泄流量计算公式。
