94生活常识网有道词典

preflow

P 开头单词

基本解释

  • n.预选流

同根派生

     

英汉例句

  • The power source has such performances as lift starting, DC arc welding, pulse welding, gas preflow, gas postflow, etc.
    该电源具有提升引弧 、直流焊、脉冲焊、提前送气和延时断气等功能。