“drypoint etching”的概念、定义、翻译、参考文献-科学参考

单词	drypoint etching
释义	drypoint etching [`drī´pȯint `ech·iŋ] ^{GRAPHIC ARTS} Etching in which a sharp tool (an etching needle) scratches through only the etching ground that is placed on the surface of the copper plate; the plate is then placed in an acid bath, and the chemical action produces a line deep enough to hold ink.
随便看	wellhole well injectivity well logging well-ordered set well-ordering principle well performance wellpoint wellpoint system well-posed problem well-regulated system well shooting well-sorted well spacing well stimulation well-type manometer welt Welwitschiales Wenlockian Wentworth classification Wentworth quick-return motion Wentworth scale Wentzel-Kramers-Brillouin method Werdnig-Hoffmann disease Werfenian stage Werner band

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