wing rail (of frog)
学习怎么用
权威例句
Role of Parvalbumin in Relaxation of Frog Skeletal MuscleStructure Design and Application of No. 18 Alloy Steel Frog with Inlaid Wing Rail for 75 kg /m Steel Rail on Datong-Qinhuangdao Rail...Wheel/Rail Contact Irregularity of High-Speed Railway FrogAn Algorithm of Wheel / Rail Contact Geometry for Rigid Frog and Software DevelopmentComparison of the fatigue and impact fracture behaviour of 5 different steel grades used in the frog of a turnoutAtom probe study on microstructure change in severely deformed pearlitic steels: application to rail surfaces and drawn wiresStudy on Guard Check Gauge of Fixed Frog and Design on Widening Nose RailWing rail hold-downDesign method for rigid frog based on wheel/rail contact parametersGeometry and stiffness optimization for switches and crossings, and simulation of material degradation
