English translation for "double-direction running automatic block"
双向自动闭塞
Related Translations:
direction: n.1.方位,方向;范围,方面。2.〔pl.〕 指挥,指导;管理。3.〔常 pl.〕指示,命令,吩咐;用法说明。4.导演;(乐队)指挥。5.寄发地址。6.趋向,倾向。短语和例子Full directions inside. 内有详细说明。 direction finder [detector] 【无线电】测向仪。 direction finding 定向。 directio