段塞 – phrases

Terms for subject Technology containing 段塞 | all forms

Chinese	English
三显示三闭塞区段系统	three-aspect three-block system
三显示二闭塞区段系统	three-aspect two-block system
接近闭塞区段	approach block
自动闭塞区段	automatic block district
闭塞区段	block section
闭塞区段长度	block length
阻塞区段	block section
隧道堵塞段	tunnel plug
非自动闭塞区段	non-automatic block district