pushing device的用法和样例：
例句
- This manipulator has already been used in the automatic feeding and unloading material device of the production line.
该机械手已用于高频淬火生产线的自动上下料装置中。 - Equipped with an automatic material charge and dis charge device, raw materials can be fed dis charged out of the drum antomatically.
配有自动进出料装置，可自动将片芯加入滚筒内或自动出料。
