adjustable feeding trough的用法和样例：
- Moreover, the product is also provided with a feeding trough for the player to feed the favorite food of the ants, such as white sugar, fruits and small cubed meat, etc.
- Its family “basswood original honey” especially good, is the semi-solid, places one to model in the feeding trough.
- Designed system can control the rotation speed of pneumatic motor effectively and thus get the adjustable feeding speed of the thread.
- The human has the different condition, entered the different condition, was similar to the water enters the cup, the basin, to model the feeding trough and the rotten bog.