Inquire into suction type shaft water distribution for natural ventilation reverse flow cooling towers 自然通風(fēng)逆流式冷卻塔虹吸式豎井配水的探討
Check valves or as a one - way valve . for the hydraulic system to prevent reverse flow of oil flow 單向閥又稱止回閥或逆止閥。用于液壓系統(tǒng)中防止油流反向流動。
For lesion at the distal region , this flap may be modified as a distal - based flap based on reverse flow 其適應(yīng)癥為近位或中位指節(jié)部位之疤痕攣縮,較遠位者則可改采逆流之遠位皮瓣重建。
Reverse flow can be observed at the outlet when the chimney gap increased to a certain value 太陽能煙囪的空氣通道寬度增大到一定數(shù)值時,可以觀察到在太陽能煙囪出口處有明顯的回流現(xiàn)象。
Series 774x double check valve assemblies are designed to prevent the reverse flow of polluted water from entering the potable water system 系列747雙止回閥總成用于防止污水回流進入飲用水系統(tǒng)中。
Series 774 double check valve assemblies are designed to prevent the reverse flow of polluted water from entering into the potable water system 系列747雙止回閥總成用于防止污水回流進入飲用水系統(tǒng)中。
Series 774xdcda double check detector assemblies are designed to prevent the reverse flow of polluted water from entering the potable water supply 系列747xdcda雙止回閥檢測器總成用于防止污水回流進入飲用水系統(tǒng)中。
The aircraft data thus confirmed the existence of mountain wake with reverse flow downwind of the northeast - southwest oriented ridge southwest of nls 該班航機所錄得的資料證實,在彌勒山西南面的東北至西南山脊的下風(fēng)位置,有高山尾流及伴隨的反向氣流出現(xiàn)。
Torsion spring checks shall have reversible elastomer discs and in operation produce drip tight closure against reverse flow caused by backpressure or backsiphonage 扭力彈簧止回閥應(yīng)該配置雙向合成橡膠閥瓣,并且在工作時對于反壓力和反虹吸所產(chǎn)生的回流具有防滴漏關(guān)閉性能。
In the case of these benefits that flow from the environment to firms and households , there is no reverse flow of money , as there is between firms and between firms and households 與各企業(yè)之間、企業(yè)與家庭之間的流動不同,環(huán)境流向企業(yè)和家庭的這些好處沒有貨幣的反向流動。