| 单词 | single preventer |
| 释义 | > as lemmassingle preventer single preventer n. a device in a drawing-frame in cotton manufacture which automatically stops the machine on the breaking of or the failure to take up a single strand of sliver; also attributive. ΚΠ 1897 W. S. Taggart Cotton Spinning II. 24 All draw-frames are now made with what is generally termed a ‘single preventer’ motion. < as lemmas |
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