The portion of the carburetor air horn that reduces pressure to cause fuel to flow is called the venturi. 减少引起燃油流动压力的化油器空气喇叭口部分称为喉管。
Critical flow pressure reflects the impact of capillary pressure and boundary effect and gas percolation, and causes non-Darcy gas flaw. 临界流动压力反映了毛细管力与边界层作用对气体渗流的影响，并使气体表现出非达西渗流特征。
At last, the approximate calculation methods of pore water pressure and flowing pressure are presented. 给出土坡稳定性分析中对孔隙水压力和动水压力的近似计算方法。
Characteristics and correlation of fluctuating pressure in instability area were specially analyzed. 重点分析了失稳区底板块动水压力特性及相关特性。
