| 单词 | track-lifter | 
| 释义 | > as lemmastrack-lifter Categories »   track-lifter  n. a wheeled frame or truck with powerful jaws for grasping the rails, and mechanism for getting a lifting purchase against the ground; used in levelling a railway line (E. H. Knight  Pract. Dict. Mech. 1877). < as lemmas | 
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