什么是tube for holder I have request for 18 pcs of street lights with dimming

ledpan

Q:什么是tube for holder
I have request for 18 pcs of street lights with dimming,information is below.
0 a( ?: p; ~- ~- o+ z) {
4 \9 ]7 z( c# n: ]* AA:灯臂，灯杆，支架，灯管支架。
  \/ j! y+ c- M9 pQ:是堵头吧
+ N4 o9 v& y8 e% ?3 z0 s, ]A:堵头的英文是holder吗
% C! ?4 s6 o4 P! ^+ _; IQ:明百了，灯臂直经
A:里边是说的灯臂灯杆
. E1 j( G$ i# kQ:灯架长600mm
7 @* ^/ v3 M+ jA:灯臂直径,堵头:cap. 支架： holder.