railway transportation channel
railway wireless channel
wireless channel of high-speed railway
Channel-Channel Alignment
railway route selection；railway location；approximate railway location；location of railway route selection
China Railway and German Railway
Initial Construction Project of TRA Commuter Railway and Regional Railway
The Command Post of China Railway Wuju Corporation for Qinghai-Tibet Railway Construction
Bearer Channel， B Channel
C-Channel (Control Channel)
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 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)
channel-to-channel connection
connection， channel-to-channel
deep-water channel in the north channel
disease of one channel involving another channel
Speech channel Voice Channel