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preliminary cleaning造句

"preliminary cleaning"是什么意思   

例句與造句

  1. A preliminary cleaning of the painting was carried out, by Professor Giancarlo Napoli of the Suor Orsola Benincasa University in Naples, and revealed micro-cracking ( craquelet ) of the paint surface which cannot be reproduced artificially and supported a Renaissance date.
  2. After preliminary cleaning to reduce the bioburden to levels similar to present day Category IVa spacecraft, the Viking spacecraft were heat-treated for 30 hours at 125 癈 ( five hours at 125 癈 was considered enough to reduce the population tenfold even for enclosed parts of the spacecraft, so this was enough for a million-fold reduction of the originally low population ).
  3. It's difficult to find preliminary cleaning in a sentence. 用preliminary cleaning造句挺難的

相鄰詞匯

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  6. "preliminary communication"造句
  7. "preliminary comparison"造句
  8. "preliminary compilation"造句
  9. "preliminary computation"造句
  10. "preliminary conference"造句
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