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      流量儀表如何選型

      發(fā)布時(shí)間:2017-11-02閱讀數(shù):2965

      流量儀表-流量計(jì)選型要點(diǎn)
      一,考慮流體類型和特性,是液體氣體還是混相流;
      二,考慮流體流速流量以及其穩(wěn)定性;
      三,考慮流體的物理化學(xué)特性:即粘性溫度壓力腐蝕性爆炸性如何;
      四,考慮安裝位置和環(huán)境:即管道形狀走向有無震動(dòng)干濕有毒爆炸臟污是否移動(dòng)空間大小環(huán)境溫度海拔等情況;
      五,考慮儀表精度要求,測量范圍度等;
      六,考慮經(jīng)濟(jì)因素;
      七,考慮用戶對(duì)儀表功能要求;
      日本喷奶水中文字幕电影
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