The hot air is always carried to the furnace by a powerful turboblower, through the hot blast main, bustle pipe, bootleg, blowpipe and tuyere.

热风由功率强大的鼓风机通过热风总管、环形风管、风口小弯管、直吹管和风口不断鼓人高炉。

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For people who survive the initial blast, the main advice is to fight the impulse to run and instead seek shelter from lethal radioactivity.

对于核弹初爆后幸存的人们而言，主要的建议是抑制乱跑的冲动，寻找躲避致命辐射的避难所。

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Nasa's shuttle Discovery is getting ready to blast off into space one last time, after technicians reattached a main separation nut that fell off on Friday.

在技术人员们将上周五掉落的一个主要的分离螺帽重新安装好之后，NASA(美国航空航天局)的发现号航天飞机正准备最后一次飞向太空。

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Experts focused on two main areas - containing the blast impact and reducing debris which maims and kills.

BBC: Newcastle engineers research bomb-proof train carriages

Women and children were among those killed in the blast at the market in Jamrud, the main town in Khyber.

BBC: Pakistan blast: Market bomb 'kills 17' in Khyber

The blast also destroyed several cars parked or standing on the main Mall Road opposite the police building.

BBC: Huge blast rocks Pakistani city