back flow

基本解释

• [流] 回流；逆流

同根派生

• back flow相关词

英汉例句

双语例句

• A flow control to install before back flow of the loop into the tank and to head the frequence control pump.
  流速控制必须安装在循环系统中储罐的回水之前以控制变频泵。
• High pressure collimated jet is characterized by three distinct flow regions:breakup, collimation and back flow.
  高压准直管水射流具有扩散流动段、平行流动段和回气流动段；
• Suitable means shall be provided to prevent back flow of water into steam pipes in case there is any sudden drop in steam pressure.
  适当是指应能达到防止水回流到蒸汽管内，导致任何的气压突然下降。

原声例句

• 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,
  但来回运球的连续动作（很难记录），
  现场观看篮球赛 - SpeakingMax英语口语达人
• "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."

权威例句

• 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

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词组短语

短语

• back mix flow 完全混合流
• eastward back -flow 偏东回流
• back -flow area 回流区
• Back Wash Flow 反洗流量
• thermal back -flow 热回流

• back flow更多词组

专业释义

机械工程

• 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.
  通过对单蜗壳与双蜗壳内部流动的数值计算,得出了以下重要结论:1、在标准工况下,单、双蜗壳都可以较好地消除径向力,也能够较好第把液体的动能转化为压力能,使蜗壳内部液体流动更加均匀,减小水力损失,在隔舌处基本没有回流现象。

• 回流逆流

地球科学

• 逆流