This standard is drafted in accordance with the rules in GBlT1. 1-2009.This standard is proposed and managed by CSR Qishuyan Locomotive and Rolling Stock Institute Co., Ltd.This standard is drafted by the Locomotive and Car Research Institute of China Academy of Railway Sciences, Beijing Xiwuhuaxia Technology Co., Ltd. and CSR Qishuyan Locomotive and Rolling Stock Institute Co., Ltd.This standard is mainly drafted by Wang Jingbo, Yang Jinsheng, Qian Kuncai and Xu Kai.