液压系统词汇匹配题 A. Friction B. Corrosion C. Sponge D. Viscosity E. Kerosene F. Petroleum G. Flammable H. Purple I. Contamination J. Wheel brake K. Nose wheel steering L. Heat exchanger M. Work N. Particle O. Impurity P. Obstruct Q. Charge R. Diaphragm S. Hydraulic line T. Stand pipe U. Altitude V. PSI W. Bleed X. Cavitation