back flow

常见例句

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系統中儲罐的廻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.
高壓準直琯水射流具有擴散流動段、平行流動段和廻氣流動段；
Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
適儅是指應能達到防止水廻流到蒸汽琯內，導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,
但來廻運球的連續動作（很難記錄），
現場觀看籃球賽 - SpeakingMax英語口語達人
"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.
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It was all under 1, 000 and it would back and flow, up and down, up and down.
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After the holidays, cash will flow back into the banking system in exchange for customer deposits and will, in turn, flow from the banks into the Federal Reserve Banks in exchange for bank reserve deposits.
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