(接上期)7实现清洁度目标在液压或润滑系统中通过设置污染控制装置达到目标清洁度水平有四项主要因素,它们是:(1)器元件的初始效率;(2)器元件在系统压力下的效率;(3)污染装置在系统中的设置位置及大小; (Continued) 7 Achieving Cleanliness Targets There are four main factors to achieve a target cleanliness level in a hydraulic or lubrication system by setting a pollution control device: (1) the initial efficiency of the components; (2) the effectiveness of the components in the system Under pressure; (3) the location and size of the contaminated plant in the system;