... 安全概念车 Safety Concept Car 生命安全概念 life safety concept 现场总线本质安全概念 FISCO ...
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As the awareness and demand of safety increasing, the concept of safety margin appears more and more in engineering design and People's Daily life.
随着人们对安全认识和需求的不断提高，安全裕度的概念越来越多受到工程设计界及人们日常生活的关注。
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