Plasma arc is widely applied in the welding of air material because of its high temperature, energy density and welding quality.

等离子弧以其高温、高能密度、高焊接质量在航空材料的焊接中发挥着重要的作用。

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Experiments show that the model can provide theoretical guidance and decision-making support for planned purchase of air material spare parts.

实验证明，该模型能有效地为航材备件的计划采购提供理论指导和决策支持。

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Based on the idea of supply chain, the concept of air material supply chain is established. The model of air material support is developed and its operational mechanism is analyzed and studied.

将供应链思想应用于航材保障中，提出航材供应链概念，建立航材供应链保障模式，研究分析其运行机制。

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Vermiculite is a material that can hold air, water and nutrients.

VOA: special.2011.04.26

It was designed for on-air material for the 2010 World Cup.

FORBES: The SSAC Interview of Albert Larcada

Ofcom ruled the channel broke rules on 8 June 2007 by broadcasting "adult-sex" material during a free-to-air slot, and material judged to be the equivalent of R18-rated film during the encrypted segment.

BBC: Channel fined over 'explicit' sex

It added the film had been played without being viewed in its entirety because there had been a rush to get material on air.

BBC: London bus after explosion