serviceable life

常见例句

The paper analyzes the forms and causes of cracks of concrete bridges, and the measures taken to prevent the harm of cracks and lengthen the serviceable life.
分析砼桥梁裂缝的表现及其原因，采取有效措施防治砼桥梁裂缝病害，延长砼桥梁的使用寿命。
The concept of cutting tool life-cycle management was put forward, and divided it into four phases: planning period, input time, serviceable life and discarding period.
提出了刀具全生命周期管理的概念，将刀具全寿命周期管理划分为计划期、投入期、使用期、报废期四个阶段。
From the normal serviceable and load serviceable longevity, the residual life of the in-service concrete structure is predicted.
从正常使用寿命和承载能力使用寿命两方面对在役混凝土结构剩余寿命进行预测；