The structure can make the back U-type bent part stripped effectively, and also increase the reliability, safety and service life of the die.

该模具结构不但解决了倒u形弯曲件出模困难问题，而且模具的可靠性、安全性及使用寿命显著提高。

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As the main bearing components the welding quality of frame is particularly important, the manufacturing quality of frame directly restrict the locomotive safety and service life.

作为主要承载部件构架的焊接质量尤为重要，构架制造质量直接制约着机车的安全和使用寿命。

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Thus, techniques for structural health monitoring in offshore platform structures are essential to ensure safety, reduce the cost of maintenance, and prolong the service life.

因此，对结构损伤进行安全评估的结构健康监测技术研究对于确保海洋平台结构安全，降低维修成本以及延长服役期限都是非常必要的。

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"This is a huge undertaking but absolutely necessary for the life, health and safety of our service members and civilians, " he said.

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They also have an excellent safety and availability record which means our life-saving charity can provide the very best and most reliable service possible to the public across Scotland.

BBC: Air ambulance