discharge coefficient的用法和样例：
例句
- Deposits of foreign materials will change the sharp contours which govern its coefficient of discharge.
杂质的淤积会改变决定流量系数的轮廓形状。 - Improvement of the orifice discharge coefficient may not result in stability improvement as illustrated in one test series.
由一系列的试验说明，喷孔流量系数的改善并没有导致稳定性的改进。
