每次家里灯泡坏了,爸爸又要关电闸,又要搬梯子,还要小心翼翼地拧灯泡,总之要忙活好一阵子才能把灯泡换好。所以,我就想发明一个简易换灯器。当你要换灯泡的时候,只要按下换灯器手柄上的红色按钮,它就会像弹簧拳击手套一样伸出去,到了灯泡附近你松开按钮,它就会自动停下。这时,你再按一下手柄上的绿色按钮,换灯器上的电动旋转装置就会带动换灯器顶端的手钳,轻松地把灯泡拧下来。因为手钳上有四个防爆吸盘,所以你也 Every time the bulb is broken, my dad needs to turn off the power switch, move the ladder, and carefully twist the light bulb. In short, I have to be busy for a while to change the light bulb. So, I just wanted to invent a simple lamp changer. When you want to change a light bulb, just press the red button on the lamp handle and it will stretch out like a spring boxing glove. When you release the button near the light bulb, it will automatically stop. At this moment, if you press the green button on the handle again, the electric rotating device on the lamp changer will drive the pliers on the top of the lamp changer to easily unscrew the light bulb. Because the pliers have four explosion-proof suction cups, so you too