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发表于:2018-08-10
Thestrongestriskfactorsfordevelopingasthmaareinhaledsubstancesandparticlesthatmayprovokeallergicreactionsorirritatetheairways.Particlepollution-suchassmoke,dustandheavyme...
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发表于:2018-02-22
QatarAirwaysprovidesfreetransportforcabincrewforallofficialduties.ThecaptainofaQatarAirwaysflightfromthePhilippinestoQatardiedasitwasintheairWednesday,AFPreported.OnAug.1...
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发表于:2018-03-28
Theairwaysarelinedwithtinyhairsknownascilia.Asthmaisachronicdiseaseoftheairwayscharacterizedbyrecurrentattacksofbreathlessnessandwheezing.Theseproceduresinclude:bronchosc...