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
7 o) a* a: K  i! dI have request for 18 pcs of street lights with dimming,information is below.

. r1 o) ?6 A; ]) _4 X3 S2 r* GA:灯臂，灯杆，支架，灯管支架。
' {4 h" B# F  L; G% V; OQ:是堵头吧
$ z+ v/ }' V/ w+ }' CA:堵头的英文是holder吗
; d: A" F4 G, f/ d4 U6 iQ:明百了，灯臂直经
. m6 F! Y- b1 L- YA:里边是说的灯臂灯杆
Q:灯架长600mm
2 q" M& j/ O+ Z. r- T' ?) KA:灯臂直径,堵头:cap. 支架： holder.