横木，枕木：一种起支撑作用的横向木杆，尤指连接和支承铁路轨道的枕木。
A transverse beam or rod serving as a support, especially a beam that connects and supports the rails of a railroad.
横木，枕木一种起支撑作用的横向木杆，尤指连接和。
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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