cross·tie 
(krôstī′, krŏs-)
(krôstī′, krŏs-)n.
A transverse beam or rod serving as a support, especially a beam that connects and supports the rails of a railroad.
| 单词 | crosstie |
| 释义 | cross·tie (krôstī′, krŏs-)n. A transverse beam or rod serving as a support, especially a beam that connects and supports the rails of a railroad. |
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