单词 | chalking |
释义 | chalking [`chȯk·iŋ] CHEMISTRY 1. Treating with chalk. 2. Forming a powder which is easily rubbed off. GRAPHIC ARTS In printing, rubbing off pigment when the ink dried improperly because it was absorbed too rapidly into the paper. METALLURGY Defect of coated metals in which a layer of powder forms between the coating and the base metal. |
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