vacuum pumping system造句

"vacuum pumping system"是什么意思   

例句与造句

  1. Vacuum pumping system
    真空排气系统
  2. It's difficult to find vacuum pumping system in a sentence. 用vacuum pumping system造句挺难的

相关词汇

  1. "vacuum pump"造句
  2. "vacuum pump oil"造句
  3. "vacuum pumping"造句
  4. "vacuum pumping equipment"造句
  5. "vacuum pumping hardware"造句
  6. "vacuum pumps"造句
  7. "vacuum purge"造句
  8. "vacuum purge system"造句
  9. "vacuum pyrolysis"造句
  10. "vacuum quenching furnace"造句
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