回流

• The reflow process relies on the temperature profile setting
  回流过程依赖于温度曲线的设定。
• Performance requirements for hose connection backflow preventers
  软管连接防回流装置的性能要求
• Determining of the smallest reflux ratio of distillation operation
  谈精馏操作最小回流比的确定
• This recycling of funds brought benefits and risks
  这种资金回流的现象既带来得益，亦造成风险。
• Dual check valve type backflow preventers
  双重止回阀型防回流装置
• Reflow solder paste in 2 hours as soon as possible after printing
  印刷后要在2小时内回流焊膏。
• Natural - flow sewage treatment facility
  污泥自然回流式污水处理槽
• Power steering return hose - low pressure
  动力转向回流软管.低压
• Fl - 8 is a close single circumfluence low velocity wind tunnel
  Fl - 8风洞是一座闭口单回流低速风洞。
• Four required per backflow preventer
  每个防回流阀需要四个。