axle box cover的用法和样例：
- The solution could be easily and efficiently implemented through improvement on the design of locomotive axle box linkage.
- 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.
- Remove junction box cover that is secured by 3 screws. Place the cover aside and view the wiring diagram on the inside.
- Loosen the screw holding the junction box cover to the top of the water heater. Set the cover aside.