| 单词 | gate-wheel | 
| 释义 | > as lemmasgate-wheel   gate-wheel  n. a wheel operating the gates protecting a level crossing. ΘΚΠ society > travel > rail travel > railway system or organization > 			[noun]		 > gate > wheel to operate gate-wheel1903 1903    Jrnl. Inst. Electr. Engineers 32 620  				In all cases where the gates and signals are worked from one point the gate-wheel is interlocked with the signal levers. < as lemmas | 
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