自行车自动充气机
auto inflater for bicycle
运动学动力学仿真
Kinematics and Dynamics Simulation
半自动动力换档变速箱
semiautomatic power shift transmission
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
电动自行车用VRLA电池
VRLA batteries for electric bicycles