Lubricator is an element which can provide good lubrication for pneumatic system,with novel structure and easy adjustment of oil drip. 油零器是气动系统中提供中提供润滑作用的元件，具有设计新颖，调节方便等优点。
Hydraulic systems operate in oil within a closed system with fewer moving parts than a pneumatic system causing less contamination lowering maintenance costs. 液压系统工作在封闭的油环境中，相对气动系统活动部件比较少使得污染较少，降低了维护成本。
