switchman

英 /'swɪtʃmən/ 美 /'swɪtʃmən/

中文释义

n.转辙员

A switchover to endosperm dependency occurs around the heart - shaped stage.

对胚乳依赖的改变发生于近心形期.
The switchover determined the marketable roomage and developmental orientation in Jiujiang.

这种角色换位决定了九江的市场空间和发展方向.
Signal switchover design of mobile communication system for subway is studied preliminarily.

对地铁移动通信系统切换方案设计进行探讨.