| 单词 | perfecting cylinder |
| 释义 | > as lemmasperfecting cylinder perfecting cylinder n. (in a printing machine) a cylinder that facilitates printing on the second side of a sheet. ΚΠ 1930 Amer. Econ. Rev. 20 445 Two-color and perfecting cylinder presses are not especially new—they are some twenty years old. 1967 V. Strauss Printing Industry vi. 298/2 A third cylinder..is denoted as the ‘perfecting cylinder’ because of its paramount importance to the perfecting operation. 2001 Graphic Arts Monthly (Nexis) 1 May (Suppl.) 10 The sheet is transferred directly from the impression cylinder to the perfecting cylinder. < as lemmas |
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