In addition, a hot, burned gas generated from the shock tube was used as pilot flame for igniting the premixed and preheated supersonic hydrocarbon-air mixture generated in the shock tunnel.
此外，由燃烧驱动激波管产生的高温燃气作为引导火焰点燃激波风洞产生的预混与预热的超声速碳氢燃料——空气混合物。
The cable possesses many special properties such as flame-retardant and fire-resisting, which is designed for tunnel with much requirements of safety and room.
电缆具有阻燃、耐火等多项特殊性能，专为隧道等对安全要求高的场合使用，同时电缆占用空间较小。
The cable possesses many special properties such as flame-retardant and fire-resisting, which is designed for tunnel with much requirements of safety and room.
电缆具有阻燃、耐火等多项特殊性能，专为隧道等对安全要求高的场合使用，同时电缆占用空间较小。
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