pretreating ['pri:'tri:tɪŋ]

例句:

• It is rational to use complex desulphurization agent for pretreating hot metal.
  目前使用氧化钙复合的镁基脱硫剂较为合理.
  
• An apparatus emulsifier consists of pretreating and working water tanks, pressure pump and emulsifying mixer.
  与本发明的配套设备由预备水箱、工作水箱 、 压力泵及乳化混合器组成.
  
• This paper discussed the permeating of sugar and quality of candied apple with several pretreating methods.
  研究了不同预处理方法对苹果渗糖和质量的影响.
  
• Pretreating the water for use in the plants takes energy, reducing the plants' overall efficiency.
  来自WSJ