step ventilation 中文意思是什麼

step ventilation 解釋
斷級處充氣
  • step : vi （ pp ）1 走；跨步。2 踩，踏上 （on）。3 跳舞，輕快地走，合著步調走。4 跨入，踏進。5 走上。vt ...
  • ventilation : n. 1. 通風，換氣（法）；通風裝置。2. 發泄，發表；（問題的）公開討論；訴諸輿論。
  1. It will step up the cleaning work for the air - conditioning and ventilation systems in the markets under its management ; and

    （二）會否加強清潔轄下街市的空調及抽風系統；及
  2. This step should be repeated 15 times at a rate of 80 per minute. then move to the patient s head and clear his airway. apply mouth - to - mouth ventilation twice

    以上動作以每分鐘80次之速率，連續做15次，再移向病者頭部，暢通氣道，做兩次人工呼吸。
  3. Based on the experiment conclusion of before period of ventilation model experiment of langya shan hydropower station ’ s underground houses, the keystone of current period is study about air distribution and flow on dynamo floor. the research is divided into 3 steps, each step acquire relevant conclusion

    本論文系在瑯琊山水電站通風模型試驗項目前期研究成果的基礎上，結合后續研究課題，著重研究該電站地下廠房發電機層氣流組織以及空氣流動與分佈特性。試驗研究分三個階段進行，各階段獲得了相應的成果與結論。
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