The device can guarantee the stress of anchor rope under designed stress all the time, and obtain the aim of protecting component in anchor-hold structure.
自保护装置能保证预应力锚拉构件上的应力始终不超过设计应力，达到保护锚拉构件不破坏的目的。
This article mainly analyses the reason and improvement way of burnout motor caused by protecting component damaged for mechanical and electrical equipment because of frequent starting.
本文主要分析了在启动频繁的机电设备中，由于保护元件损坏造成烧坏电机的原因及改进的方法。
Protecting Mother Earth must be an integral component of our strategy.
保护地球母亲的工作必须成为我们战略中不可分割的组成部分。
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