axle box body的用法和样例：
- Development of aluminum alloy axle box body for type A metro vehicle
- The solution could be easily and efficiently implemented through improvement on the design of locomotive axle box linkage.
- The box body crown is equipped with rainproof exposes to the sun the cover.
- The line dynamic test and the locomotive operations within one year after the replacement of axle box linkage indicate that the improvement works efficiently.
- This system monitors the state of bogie, wheel, axle box, coupler and pantograph based on the the requirements of maintenance.