On the stairway to the basement, he took the light bulb out of the socket.
在通向地下室的楼梯上，他把灯泡从灯座上拧了下来。
He screwed the light bulb into the socket.
他将灯泡拧进了灯头里。
It has no light bulb and filament. E27 socket for general use is easy to install and replace.
无灯泡灯丝，E27标准通用型螺口，安装更换便捷。
It has no light bulb and filament. E27 socket for general use is easy to install and replace.
无灯泡灯丝，E27标准通用型螺口，安装更换便捷。
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