单词 | pickling |
释义 | pickling [`pik·liŋ] CHEMICAL ENGINEERING A method of preparing hides for tanning by immersion in a salt solution with a pH of 2.5 or less. FOOD ENGINEERING A method of preserving food by using salt, sugar, spices, and acetic acid. METALLURGY Preferential removal of oxide or mill scale from the surface of a metal by immersion usually in an acidic or alkaline solution. |
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