自凈流速 的英文怎麼說

中文拼音 [zìjìngliúsù]
自凈流速 英文
self-cleaning velocity
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 凈 : Ⅰ形容詞1 （清潔; 干凈） clean 2 （凈盡;沒有剩餘） empty; hollow; bare 3 （純） net Ⅱ動詞（使干凈;...
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. The pollution problems of the rivers and streams in that region have accordingly improved considerably in the past decade. however, as the base flow of local rivers and streams is generally small, their assimilative capacity is therefore low. this, coupled with the continued development and hence population growth in the river catchments, as well as the lack of maintenance of many private septic tank systems, has caused the water quality of some rivers and streams in the northwest new territories to remain unsatisfactory

    而溪流的污染情況在過去的十年間亦因此而有所改善，但由於本地河溪的流速相當慢，河流的自凈能力相對偏低，而河溪的周邊不斷發展，人口持續增加，加上部分私人的化糞池系統欠缺打理，未能有效運作，所以新界西北仍有部份河溪水質未如理想。
  2. Emform423 contains special extreme pressure additives to extend dielife and promote smooth, even floe of metal and quick, clean release of parts from the dies

    Emform423含有特殊的極壓添加劑，可延長模具壽命；並能形成勻順的金屬塑性流動，從而使工件得以迅速、潔凈地自模具脫離。
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