词汇	up-down traffic
释义	up-down traffic 上下行交通
随便看	automatic word selection automatic words segmentation automatic words segmentation subsystem automatic-word transfer automatic word wraparound automatic work changer Automatic Work Control System automatic work cycle automatic working automatic workpiece change automatic worksheet processing Automatic Workstation automatic work station automatic wound retractor automatic wrapping machine automatic wrapping unit automatic wristwatch automatic writer recognition automatic writing automatic writing machine automatic writing machines with coding devices automatic writings automatic X ray cut film changer automatic x-ray cut film changer automatic x ray exposure controller