The treated air through the duct system is distributed on the premises.

处理过的空气通过管道系统分布在房屋里。

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More severe cases may be treated with a CPAP machine, so named because they maintain constant positive air pressure to the wind pipe to help users breathe easy at night.

严重一点的患者可能就得用CPAP机来治疗了，人们给它取这个名字是因为它能够给气管提供稳定的空气压力，借以帮助患者在夜间呼吸。

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We will work hard to prevent and control air pollution nationwide and increase the proportion of sewage treated and household refuse safely disposed of in key cities.

抓好大气污染防治和重点城市污水处理、生活垃圾无害化处理。

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One of the two Australian DJs who made a prank call to the London hospital where the Duchess of Cambridge was being treated is back on air.

BBC: Michael Christian

Gul, who was taken to a U.S. military hospital at Bagram Air Base after the attack and treated for the bullet wound to his left shoulder, is now a watchman at the new school.

NPR: Afghan Villagers Flee Their Homes, Blame US Drones

Police said he was treated by paramedics and taken to Royal Blackburn Hospital by air ambulance.

BBC: Burnley canal-plunge toddler in 'critical condition'