列车自动运行
automatic train operation system
automatic train operation
ATO
无司机列车自动运行
Automatic train operation without driver
全自动列车运行系统
fully-automated operation system of railway train
自行车自动充气机
auto inflater for bicycle
单向运行自动闭塞
single direction automatic block
电动自行车
electrically operated bicycle
Algebraic CELP
Electric bicycle
electric bike
electrical bicycle
the electric bicycle
electronic bicycles
algebraic calculation method
electric bicycles
electric bikes
electric vehicles
batteries for electric bikes
electric-bicycle
dynamoelectric Bike
Eletrically operated bicycle
bicycle
dynamoelectric bicycle
E-bicycle
electric-bike
electro-bicycle
Electric-vehicle
electricl bicycle
E-bike
VRLA
电动自行车电池
electric bike batteries
electric bicycle batteries
电动自行车电池组
electric bicycle battery set
电动自行车及其电池
Electrica bicycle and its battery