optimum service life的意思|示意

According to the resonant fatigue-damage life theory, the optimum clearance between neighboring shrouds is determined to increase the service life.

同时，依据共振疲劳损伤寿命理论确定叶冠的最佳间隙值，来增加使用寿命。

Optimum control of oil fluid contamination in hydraulic system is provided to theoretical basis for improving functional reliability of the system and increasing service life of hydraulic components.

对液压系统的油液污染实施控制，对提高系统工作的可靠性，延长液压元件的使用寿命提供了理论依据．。

Ultimately, selection of the optimum filters depends on flow rate, particle removal efficiency of the filter, filtration scheme (single vs. multi-stage filtration), and filter service life.

归根结底，最佳过滤器的选择决定了流速、过滤器的粒子去除效率、过滤方案(单步与多步过滤)和过滤器的使用寿命。

It is pointed out that properly employing surface strengthening technologies is an important way to prolong the service life of plastic moulds and can achieve optimum results without much effort.

指出正确运用表面强化技术是提高塑料模具使用寿命的一个行之有效的途径，具有事半功倍之效。