把+号的点拖到安电池的上面在放进去2节电池在带你上面打开的那个东东就可以了
需要两节电池,然后把负极电线(就是有减号的)放在电池盒的下面,正极电线他就自己放了),合上开关就可以了。
放入两块电池,然后把两个小点放入 + - 号中,然后点击上面的棒子就行了。有问题加我号120898867。
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