常見例句雙語例句Investigation on air age in a ventilated room with tracer gas technique.用示蹤氣體方法研究通風房間的空氣齡。Indeed, injecting a tracer gas into the moundshowed little evidence of steady, convective air circulation.事實上，他們在向蟻丘注入示蹤氣體后發(fā)現(xiàn)，蟻丘內(nèi)空氣并不對流。Calculates the natural ventilation rate by the tracer gas decay method. Explores the definition of the indoor criterion of carbon monoxide concentration and the carbon monoxide emission fro…利用示蹤氣體法計算了地下停車庫的自然通風量，并討論了地下汽車庫內(nèi)一氧化碳允許濃度和小汽車一氧化碳排放量的確定。 返回 tracer gas