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
& b4 J1 s2 Z5 kI have request for 18 pcs of street lights with dimming,information is below.
* p1 C1 }3 `; m# B: R1 _/ ]; l
) n' ?  F) x# f- n7 H! ~A:灯臂，灯杆，支架，灯管支架。
Q:是堵头吧
0 H( \- C9 w; N9 B7 Z, LA:堵头的英文是holder吗
Q:明百了，灯臂直经
A:里边是说的灯臂灯杆
Q:灯架长600mm
A:灯臂直径,堵头:cap. 支架： holder.