air retention 中文意思是什麼
air retention
解釋
氣密性-
Air retention test method for tubeless aircraft tyre
航空無內胎輪胎氣密性能試驗方法 -
Test method of air retention for tubeless aircraft tyres
航空無內胎輪胎氣密性能試驗方法 -
Test method for coated fabrics - air retention
塗層織物的試驗方法.空氣保持性 -
Testing methods for determining aerosol retention of depthfilter for air sterilization
空氣消毒用深度過濾器懸浮物滯留量測定的檢驗方法 -
Additional benefits calculated in the report include improved teacher retention and a reduction in dangerous air - pollutants that cause respiratory disease and premature mortality
此份報告中計算之附加利益包括提高教師的留校率,以及減少空氣中會造成呼吸系統疾病和過早死亡之危險污染源。
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