单词盒子

pumpdown

P 开头单词

基本解释

  • n.抽气（降压），抽水；抽空；抽空降压

同根派生

     

英汉例句

  • Periodically the chamber will get cleaned and this again will change the pumpdown performance.
    如果你技术水平高的话，大把现金等你赢，买车买房不再难！赶快来注册吧！
  • Capture water vapor and cut pumpdown time by as much as 75% in high-vacuum systems;
    在高真空系统中抽吸水汽，缩减抽空时间多达75%25；
  • Cryocondenses water vapor in vacuum systems, High-vacuum pumpdown time cut by 25% to 75%;
    在高真空系统中抽吸水汽，缩减抽空时间多达75%25；
  • Keywords Dimethylheptyl methylphosphonate（P350）;Tiny decompressed column chromatography;Pumpdown elution;Uranium;
    甲基膦酸二甲庚酯;减压微色谱柱;抽空洗脱;铀;
  • pumpdown time
    抽真空时间