おもちゃの自動掃除機
Gelsonlab HSTM-066 Education Science おもちゃの自動掃除機t
Through the transmission of gear set and the ingenious combination of movable baffle in time, おもちゃの自動掃除機 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.