railway transportation channel  铁路运输通道

railway wireless channel  铁路无线信道

wireless channel of high-speed railway  高铁无线信道

Channel-Channel Alignment  通道配准

railway route selection；railway location；approximate railway location；location of railway route selection  铁路选线

China Railway and German Railway  中德铁路

Initial Construction Project of TRA Commuter Railway and Regional Railway  台铁都会区捷运化暨区域铁路先期建设计划

The Command Post of China Railway Wuju Corporation for Qinghai-Tibet Railway Construction  中铁五局青藏铁路指挥部

Bearer Channel， B Channel  承载信道

C-Channel (Control Channel)  控制通路

channel to channel adapter  通道通道适配器; 通道通道适配器通道通道选择器; 通道通道选择器

channel-to-channel  信道对信道连接

channel-to-channel adapter  通道选择器; 通道-通道衔接器; 信道-信道衔接器; 信道选择器; 通道间配接器

channel-to-channel adapter(CTCA)  信道至信道配接器

channel-to-channel connection  信道至信道连接

connection， channel-to-channel  信道对信道连接

deep-water channel in the north channel  北槽深水航道

disease of one channel involving another channel  并病

Speech channel Voice Channel  话音信道; 话路