fatigue life span 疲劳寿命
To be luckily, there is an overall valve in every hydraulic system, so high impact pressure cannot affect the fatigue life-span seriously.
但是系统上一般都有溢流阀，故冲击压力不会严重影响胶管的疲劳寿命。
Let the fuzzy theory be applied into the prediction of fatigue life-span so as to establish a prediction theory of fuzzy fatigue life-span.
将模糊理论应用于疲劳寿命预测中去，建立了模糊疲劳寿命预测理论。
The probability fatigue life - span of pressure vessel under the action of different cycle load is closely related to the cycle load with high stress.
承受不同循环载荷共同作用的压力容器，其概率疲劳寿命和在高应力水平上的循环载荷有着密切的关系。
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