swing bolster meaning in Chinese

摆动承梁
摇枕

The swing bolster is the key part that can complete the titling function , and it bears the forces from carbody . in the paper , the force state about the frame and swing bolster are detailed and their structure are analyzed by using the ansys program . the frame and swing bolster ' s optimum tructure are confirmed
因此，文中对构架和摆枕的受力状态进行了详细分析，并利用ansyas有限元分析软件重点对构架和摆枕的结构进行了优化分析，确定了构架和摆枕的最佳的结构形式。