| 单词 | trail lever |
| 释义 | > as lemmastrail lever trail lever n. ‘a trailing lever hinged to the spindle-carriage of a spinning-mule’ ( Cent. Dict. Suppl.). Π 1890 J. Nasmith Mod. Cotton Spinning Machinery xi. 206 The traverse of the locking lever prior to locking is gradually lessened as the trail lever slide L is lowered. 1892 J. Nasmith Students' Cotton Spinning viii. 270 The shoulder R is pulled over the bowl carried at the end of the lever L, called the ‘trail’ lever, which is hinged to the carriage. < as lemmas |
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