cross·beam 
(krôsbēm′, krŏs-)
(krôsbēm′, krŏs-)n.
A horizontal or transverse beam, especially a structural beam resting on two supports.
| 单词 | crossbeam |
| 释义 | cross·beam (krôsbēm′, krŏs-)n. A horizontal or transverse beam, especially a structural beam resting on two supports. |
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