preliminary cleaning造句
例句與造句
- 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.
- 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 ).
- It's difficult to find preliminary cleaning in a sentence. 用preliminary cleaning造句挺難的