| 单词 | masking board | 
| 释义 | > as lemmasmasking board   masking board  n. Photography the baseboard of an enlarger, on which the masking frame is placed. ΘΚΠ society > leisure > the arts > visual arts > photography > photographic processes > processing and printing equipment > 			[noun]		 > masking-frame or board masking frame1940 masking board1958 1958    Newnes Compl. Amateur Photogr. 319  				The paper is removed from the masking board, and the next negative lined up in position. 1972    G. L. Wakefield Exposure Control in Enlarging viii. 110  				As a good masking board for the enlarger easel is expensive..it is worth making one. < as lemmas | 
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