back flow

基本解釋

A flow control to install before back flow of the loop into the tank and to head the frequence control pump.
流速控制必須安裝在循環(huán)系統(tǒng)中儲(chǔ)罐的回水之前以控制變頻泵。
High pressure collimated jet is characterized by three distinct flow regions:breakup, collimation and back flow.
高壓準(zhǔn)直管水射流具有擴(kuò)散流動(dòng)段、平行流動(dòng)段和回氣流動(dòng)段；
Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
適當(dāng)是指應(yīng)能達(dá)到防止水回流到蒸汽管內(nèi)，導(dǎo)致任何的氣壓突然下降。

When the water heater is working correctly, water will flow from the storage tank to the collector and back again.
But the constant flow back and forth with basketball,
但來(lái)回運(yùn)球的連續(xù)動(dòng)作（很難記錄），
現(xiàn)場(chǎng)觀看籃球賽 - SpeakingMax英語(yǔ)口語(yǔ)達(dá)人
"As we're following the timber flow through countries like Singapore,Malaysia,Taiwan and China and back into the United States or Japan and European Union countries."

The well has repeatedly wanted to kick back and flow nbut it was always controlled and contained.
FORBES: Davy Jones #1 Well Flow Test Appears Imminent

回流
Under the standard work condition, the double-volute can more remove radial force, can also more and very convert the kinetic energy of liquid as pressure ability, make the volute inner liquid flow be getting more even, reduce the water power loss. Have no back flow phenomenon in nose.
通過(guò)對(duì)單蝸殼與雙蝸殼內(nèi)部流動(dòng)的數(shù)值計(jì)算,得出了以下重要結(jié)論:1、在標(biāo)準(zhǔn)工況下,單、雙蝸殼都可以較好地消除徑向力,也能夠較好第把液體的動(dòng)能轉(zhuǎn)化為壓力能,使蝸殼內(nèi)部液體流動(dòng)更加均勻,減小水力損失,在隔舌處基本沒(méi)有回流現(xiàn)象。
回流逆流