railway connecting line

基本解释

Railway ferry system includes port, ferry station, connecting railway line, and backward technical station.
铁路轮渡系统包括港口、轮渡站、铁路引线和后方技术作业站。
The intercity high-speed rail line connecting Nanchang and Jiujiang began operation, as part of the long-term plan of the railway network in China.
连接南昌市和九江市的城际高铁日前开始运行，这是我国铁路运输长期规划项目之一。
blog.sina.com.cn
The Jingyi Line, as a key trunk railway connecting the south and the north in the Korean Peninsula, plays an important role to keep the channel unblocked.
京义线作为连接朝鲜半岛南北的重要铁路干线，对黑龙江省与朝鲜半岛的物流通道的畅通至关重要。