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forepumping是什么意思，forepumping的翻译，forepumping音标、读音、用法和例句_果味酸柯林斯词典
果味酸柯林斯词典

forepumping

F 开头单词

基本解释

  • n.前级抽气(预抽)

同根派生

     

英汉例句

  • Keywords vacuum reaction stove;vacuum degree;master pump;forepump;smelting;modification;
    真空感应炉;真空度;主泵;前级泵;熔炼;改造;
  • mechanical forepump
    机械预抽真空泵
  • forepump
    n. 预抽真空泵(前级泵)
  • vacuum forepump
    前置真空泵