...通空调在线 关键词：地铁,严寒地区,通风,活塞风道,模拟,双向通风, [gap=603]Keywords：underground railway,severe cold region,ventilation,piston air shaft,simulation,two-way ventilation, ..
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In severe cold region 严寒地区
residence in severe cold region 寒地住宅
severe cold region
严寒地区
以上为机器翻译结果，长、整句建议使用 人工翻译 。
One thing is certain: The chances for severe weather are on the decline as a cold front moves through the region, said weather service meteorologist Gene Hatch in Springfield, Mo.
WSJ: Tornado-Hit Oklahoma Struck Again; Death Toll Up to 9
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