directive pressure 中文意思是什麼
directive pressure
解釋
定向壓力-
Pressure sensitivity, harmonic frequency and directive property are important indexes to characterize its performances
聲壓靈敏度、諧振頻率和空間指向性是衡量其性能的重要指標。 -
Abs group ltd. - london has been approved by ukas in united kingdom that is one of european union member state, to provide with pressure equipment directive ( ped ) services to the clients worldwide
美國船檢局集團咨詢公司倫敦辦事處經英國(歐盟成員國之一)的ukas認可授權向全球客戶提供ped相關的服務。
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