External surfaces with undercoat in block out black with 2pac finish over

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Q: Cross section 100mm(4”) W x 100mm(4”) H Walls in white acrylic. External surfaces with undercoat in block out black with 2pac finish over. Suspended with S/S cable (number of suspension cables depends on ring size) 6mm Opal bottom diffuser and white acrylic insect top cover.这个图下面这一段怎么翻译
; J4 f5 s3 ^0 G: z, h% g第一句话我懂，是说环的高宽都10CM，后面我就译不通了。

! I* E( J, A  A& ?* n$ w5 f- EA: Cross section 100mm(4”) W x 100mm(4”) H Walls in white acrylic灯的外形尺寸
: O3 }- \2 ^2 V% HExternal surfaces with undercoat in block out black with 2pac finish over外表面2遍图漆。
Suspended with S/S cable (number of suspension cables depends on ring size) 6mm Opal bottom diffuser and white acrylic insect top cover.
5 e7 a: B, E5 l5 [大致意思是电源线的直径根据实际功率配套；至少要6mm线径