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1.先用木板制作一个22×14×8厘米的木盒,并将盒内隔成两室,一室用于装置4节1号电池,另一室用于装塑料集气瓶等。
1. Make a wooden box of 22 x 14 x 8 cm with a wooden board, and divide the box into two rooms. One room is used for installing 4 batteries of 1 section, and the other room is used for loading plastic collection bottles.