Игрушки Авто Пылесос
Gelsonlab HSTM-066 Education Science Игрушки Авто Пылесосt
Through the transmission of gear set and the ingenious combination of movable baffle in time, Игрушки Авто Пылесос can realize obstacle avoidance, turning, dust collection and other actions, and realize mechanical automation. The structure, principle and application of vacuum cleaner are understood through experiments.