flexible volume method的用法和样例：
例句
- When calculating oil and gas reserves by volumetric method, one factor affecting the computing accuracy is reservoir effective thickness.
用容积法计算油气储量时，影响储量计算精度的因素之一是储层有效厚度。 - The capacity method is adopted to calculate the pressure on exhaust pipe, at the mean time, exhaust gas turbocharger is also calculated.
对排气管内压力采用容积法计算，同时对废气涡轮增压器进行了计算。
