功能用途：应用于流水线产品转移到某个特定位置，而且不会损坏。（如：防静电的电子车间流水线上零配件提取到装配位置或者包装盒内的动作）

Functional usage：Applies shifts in the assembly line product to some characteristic position, moreover cannot damage. (such as: Anti-static electronic workshop assembly line on the extraction of spare parts to the assembly position or the action in the box)