communication switch host  通信交换主机

dual host switch  双机切换

host system mailbox switch setting  主机系统信箱开关设定

host-host layer  主机对主机层

host-host layer (in DPA architecture)  主机间层

coupled (linked)switch,deck switch,gang switch  联动开关

HHC Host – to – Host Connection  从主机到主机连接

Host exchange， Host  主机

host to host  主机到主机

host to host traffic  主机到主机流量

host-to-host protocol  主机间协议

Air Switch，Air-break Switch  空气开关

switch on and switch off  分合闸

switch point；point tongue；switch rail；tongue rail；blade  尖轨

whippletree switch whiffletree switch  复衍开关

a host  地主

a host of  许多; 一大群

A new host  新寄主

a veteran game-show host  资深节目主持人