Seat lamp, hanging lamp, lamp holder how to distinguish? Do not know which of them is the light
The definition of the lampholder is not very clear, generally refers to the meaning of the seat is the head,
Block lamp, hanging lamp head is mainly because the installation is different, the style is slightly different. Both the interface with the bulb is different, and is divided into screw-type lamp, bayonet lamp.
and sometimes the lamp head and hanging lamp collectively.
