列车自动运行
automatic train operation system
ATO
automatic train operation
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
Electric bicycle
electrical bicycle
electric bike
E-bicycle
electric-bike
E-bike
electric bikes
electric bicycles
Algebraic CELP
electric vehicles
VRLA
algebraic calculation method
electronic bicycles
batteries for electric bikes
electricl bicycle
Electric-vehicle
electro-bicycle
electrically operated bicycle
bicycle
dynamoelectric bicycle
electric-bicycle
Eletrically operated bicycle
dynamoelectric Bike
the electric bicycle
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