HAO Ming-yuan, HAO Quan-li, LIU Yue-feng. Key Locking of CRH3C EMUs and Maintenance Safety[J]. Electric Drive for Locomotives, 2013,(1):17-19. DOI: 10.13890/j.issn.1000-128x.2013.01.020.
For guaranteeing safety of maintenance men and avoiding electric shock, key locking concept of the CRH3C high-speed EMUs was proposed and expounded on principle and process; at the meantime, safety idea what was called self safety, held and on duty by self was promoted.