backflow 中文意思是什麼

backflow 解釋
倒流
  1. Air braking systems ; shuttle valve with backflow

    氣壓制動系統.迴流循環閥
  2. In the event that a boiler does shut down the stop - check must prevent backflow into the boiler, the weight of the disc and dash pot piston, through the force of gravity, promote rapid sealing so steam and condensate cannot backflow into the boiler even at low pressures

    如果鍋爐沒有關閉截止止回閥，則必須防止迴流到鍋爐上，閥瓣壓鐵和緩沖活塞，在重力的作用下，能夠迅速實現密封，使得蒸汽和冷凝水即使在低壓下也不會迴流到鍋爐里。
  3. Then, we caculate the dynamic character of the reflective mtn cell with the optimized parameter, give out the distribution of velocity, twist angle and tilt angle at the midle of the mtn cell when switch on or off in consideration of the backflow

    並針對選定參數的mtn液晶盒作了動力學上的計算。文中分別了給出mtn盒在加電壓和撤電壓時，引流效應對反射率的影響，並比較指向矢，速度，中間層的傾斜角等參量分佈的情況。
  4. It is c. z. van doom who first explained the " optical bounce " in the twist nematic cell by backflow effect

    C . z . vandoorn最早用它來解釋在撤電壓時扭曲液晶盒出現的透過率反彈現象（ opticalbounce ） 。
  5. Reduced pressure detector assembly backflow preventer

    減壓檢測器組合防迴流裝置
  6. Four required per backflow preventer

    每個防迴流閥需要四個。
  7. Laboratory faucet backflow preventer

    實驗室旋塞防迴流裝置
  8. For use with backflow preventer test cocks to protect from damage

    用於防迴流閥測試旋塞，防止受到破壞。
  9. Installing a backflow preventer in a pit or vault is not recommended

    不建議在坑內或拱頂內安裝防迴流閥。
  10. Back siphonage backflow vacuum breakers

    倒虹吸迴流真空關閉閥
  11. Reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow

    在每個具有潛在健康危害，需要防止反虹吸和/或反壓力迴流的地方應該安裝一個減壓區總成。
  12. A reduced pressure zone assembly shall be installed at each potential health hazard location to prevent backsiphonage and / or backpressure backflow

    在每個具有潛在健康危害，需要防止反虹吸和/或反壓力迴流的地方應該安裝一個減壓區總成。
  13. Another problem can occur rarely if backflow of process gas is permitted into the secondary air feed line.

    如果工藝氣體迴流入二段空氣管線，能發生另外的很少發生的問題。
  14. It is particularly recommended for boiler feed lines to prevent backflow when supply pressure falls below system pressure

    特別建議用於鍋爐進水管，以防止當供應壓力低於系統壓力時所產生的迴流。
  15. Strength of body and hydraulic pressure loss testing of backflow special check valves

    迴流專用止回閥的閥身強度和液壓損失率檢驗
  16. When a series 994 backflow preventer is installed for dead - end service applications, discharge from the relief vent may occur due to water supply pressure fluctuation during static no - flow conditions

    當系列994防迴流閥安裝在終端應用場合時，由於在靜止無流動情況下水供應壓力波動可能會從安全閥排放口產生排放。
  17. Devices to prevent pollution by backflow of potable water - automatic diverter - family h, type c ; german version en 14506 : 2005

    防飲用水迴流污染的裝置.自動排水道. c型h系列
  18. . a b devices to prevent pollution by backflow of potable water - air gap with non - circular overflow unrestricted - family a, type b

    防飲用水迴流污染設備.非循環溢流氣隙
  19. Numerical analysis of backflow distance of smoke in mine fire

    礦井火災煙流滾退距離的數值模擬
  20. Model 9bd backflow preventer for vending machine water supply lines prevents backflow of carbon dioxide gas and carbonated water into the water supply system to vending machines, thus eliminating the hazardous reaction of carbon dioxide with copper tubing

    型號9bd防迴流閥適用於自動售貨機水供應管道，防止碳酸氣和碳酸水迴流到供水管道和自動售貨機內，因此避免了二氧化碳與銅管的危險反應。
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