常見例句雙語例句Impeller on the inside and outside smooth surface of requirements to reduce the flow friction loss.葉輪上的內(nèi)外表面要求光滑,以減少水流的摩擦損失。The friction loss coefficients of throat and spreading pipes are major factors influencing the efficiency.喉管與擴散管的摩擦損失系數(shù)是影響效率的主要因素。The optimal area ratio is singly related with friction loss coefficient, and it is not related to the density ratio of fluids.最優(yōu)面積比只與摩擦損失系數(shù)有關(guān),而與流體間的密度比無關(guān)。 返回 friction loss