• Describes the different forms and causes of rupture of crank shaft, and suggests actual measures to prolong its serviceable life.

    介绍了织机曲轴断裂形态原因提出延长曲轴寿命的具体措施

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  • The durability design of the concrete structure should be done according to the environment types and the designed serviceable life.

    混凝土结构耐久性设计根据环境类别设计使用年限进行设计。

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  • The aeration tube has the advantages of ingenious layout, simple and rational structure, convenient installation, low cost as well as long serviceable life.

    气管构思巧妙结构简单合理安装方便成本,使用寿命

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  • 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.

    分析桥梁裂缝表现及其原因,采取有效措施防治砼桥梁裂缝病害,延长砼桥梁使用寿命。

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  • 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.

    提出刀具全生命周期管理概念,将刀具全寿命周期管理划分计划、投入期、使用期、报废期四个阶段

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  • 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.

    提出刀具全生命周期管理概念,将刀具全寿命周期管理划分计划、投入期、使用期、报废期四个阶段

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