hydraulic calculation短语¹³¹⁶²⁰⁺³ 基本例句 水力计算 From this issue, three-dimensional hydraulic calculation and one-dimensional hydraulic/span> calculation are contrasted under gas steady and non- steady flow. 本文针对管道内稳态流动和非稳态流动，进行了三维与一维水力计算的对比研究。 lib.swpu.edu.cn