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forepumping例句_forepumping英汉例句_forepumping双解例句_贰靶汉英词典
贰靶汉英词典

forepumping

F 开头单词

常见例句

  • 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
    • 返回 forepumping