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单词 siderographer
释义

WordReference Random House Unabridged Dictionary of American English © 2024
sid•er•og•ra•phy  (sid′ə rogrə fē),USA pronunciation n. 
  1. the art or technique of engraving on steel.
  2. Metallurgya method of increasing the number of reproductions obtained from a steel engraving by first rolling a soft-steel cylinder over a hardened steel plate and then rolling the hardened cylinder over a soft-steel plate.
  • 1810–20; sidero-1 + -graphy
sid′er•ogra•pher, n. 
sid•er•o•graph•ic  (sid′ər ə grafik),USA pronunciation adj. 
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更新时间:2024/9/22 1:35:53