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单词 copyboard
释义 copyboard
[f. copy n. 8 + board n.]
(See quot. 1968.)
1961in Webster.1967E. Chambers Photolitho-Offset iii. 27 Copy should not be prepared too large for the copyboard and, if possible, should not exceed 25 to 50% reduction or enlargement.1968Gloss. Terms Offset Lithogr. Printing (B.S.I.) 14 Copyboard, the unit on a camera which holds the original copy.
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