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forepumping例句_forepumping英汉例句_forepumping双解例句_果味酸柯林斯词典
果味酸柯林斯词典

forepumping

F 开头单词

常见例句

  • Keywords vacuum reaction stove;vacuum degree;master pump;forepump;smelting;modification;
    真空感應爐;真空度;主泵;前級泵;熔鍊;改造;
  • mechanical forepump
    機械預抽真空泵
  • forepump
    n. 預抽真空泵(前級泵)
  • vacuum forepump
    前置真空泵
    • 返回 forepumping