axle shaft tube的用法和样例：
- Connect the vent hose to the axle shaft tube.
- Disconnect the vent hose from the axle shaft tube.
- Clean axle shaft tubes and oil channels in housing.
- The forging and deep extrusion compound process for axle shaft tube was introduced,and the process was applied to the high-energy screw press and hydraulic press respectively.
- The 194 Rear Beam-design Iron (RBI) axle housing has an iron center casting (differential housing) with axle shaft tubes extending from either sidThe tubes are pressed into and welded to the differential housing to form a one-piece axle housing.