近几年来，货车上心盘裂损的情况仍相当严重，尤其是车辆提速后，此问题显得更加突出。１　问题表１是武昌南车辆段１９９８年、１９９９年各第一季度段修货车和厂修货车上心盘裂损情况的统计。表１　段（厂）修货车上心盘裂损统计表统　计　项　目１９９８年１９９９年１月２ In recent years, the condition of cracked wagons on the wagon is still quite serious, especially after the vehicle accelerates. This problem is even more conspicuous. 1 Problem Table 1 shows the statistics of the cracked core plate on the wagons and factory wagons in the first quarter of 1998 in Wuchang South Vehicle Depot. Table 1 (factory) repair truck wounded heart failure statistics table item 1998 January 1999 2