求助fluid stiffening effects 的意思? For multistage pumps, fluid stiffening effects shall be considered and calculations shall be performed at both one and two times the nominal design clearances. The fluid stiffness of product-lubricated bearings and bearing bushings shall be calculated at both one and two times the nominal design clearances. & 是泵方面的一份资料~~~查看更多7个回答 . 1人已关注