... porcelain screw socket 瓷螺丝灯座 screw socket bulb 螺丝口灯泡 screw socket,screw socket 爱迪生螺旋灯头 ...
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a screw socket bulb 罗口灯泡
screw socket bulb screw-type bulb 螺丝口灯泡
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The bulb should just screw into the socket.
把灯泡拧到灯口上就行。
《牛津词典》
Plug the hole with wax or silicone, then screw the bulb into a socket and let someone walk into the room and throw the switch.
把那个洞用蜡或硅酮封住，之后把灯泡重新旋入插座，静候等某人走入房间，打开开关。
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