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backing vacuum meaning in Chinese

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Examples

  1. Slide - back vacuum tube voltmeter
    偏压补偿式电子管伏特计

Related Words

  1. vacuum
  2. vacua vacuum
  3. vacuuming
  4. vacua
  5. backing up screw
  6. backing up with reverse thrust
  7. backing vacuum pump
  8. backing vessel
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