draw·bar 
(drôbär′)
(drôbär′)n.
1. A bar across the rear of a tractor for hitching machinery.
2. A railroad coupler.
| 单词 | drawbar |
| 释义 | draw·bar (drôbär′)n. 1. A bar across the rear of a tractor for hitching machinery. 2. A railroad coupler. |
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