In art, an Intaglio process of makIng prInts from an etched plate.

在美术方面，用蚀刻版和版方式制作的版画。

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Ferric chloride solution constantly scouring the surface of stainless steel plate, the solution of ferric ion rapidly oxidized stainless steel plate, stainless steel plate was etched on the go.

三氯化铁溶液不断地冲刷不锈钢板的表面，溶液中的三价铁离子快速氧化不锈钢板，不锈钢板就被蚀刻下去了。

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Chemical graining: the lithographic plate surface is etched to produce a fine grain by the application of a strong acid or alkali solution.

化学磨版：用强酸或强碱溶液在平版印版的版面上腐蚀，造成幼细微粒表面。

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Smearing a small copper plate with black ink, Francesca rubbed the excess away, carefully pushing it into the etched grooves.

BBC: Florence��s fading artisan culture