By fatigue test of some members of a steel truss bridge and a theoretical analysis of the residual fatigue life of the bridge, an evaluation of fatigue safety status of the steel truss bridge which is in accord with the fact is made.是什么意思_By fatigue test of some members of a steel truss bridge and a theoretical analysis of the residual fatigue life of the bridge, an evaluation of fatigue safety status of the steel truss bridge which is in accord with the fact is made.在線翻譯_英語_讀音_用法_例句