The paper discusses the design and operation of the gas safety and explosion protection system of roller hearth furnace in detail.

较详细地讨论了辊底式炉煤气安全防爆系统的设计与操作。

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Virtual prototype technique was applied to study the safety of roller coaster for solving the defects in its traditional design, reducing its design cost, and improving its safety.

研究基于虚拟样机技术的过山车的安全性问题，旨在解决传统设计的弊端，有效降低设计成本，提高过山车的安全性能。

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The dynamic analysis and safety evaluation is important during the period of developing a roller coaster for its high speed and complex motion.

随着过山车速度及运动复杂性不断提高，其研制过程的动力学分析、安全评价愈显重要，传统方法已很难满足要求。

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For healthy visitors, most theme parks post rider safety guidelines for roller coasters and other rides.

BBC: The human limits of roller coasters

Geodon was a decade-long roller-coaster ride, its approval repeatedly delayed because of safety concerns before it finally got the nod in 2001.

FORBES: A Quick Lift for the Blues