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哇!機會難得!請教開孔的問題" ^0 K; Z# ^6 L$ h
如何判定頂or側部開孔滿足5angle(UL60950 Figure 4E)?4 j, b$ \$ }: Q5 t) }0 } N& p
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UL60950-1 4.6.1 提到:
/ r' |) u, o0 \! GWhere a portion of the side of a FIRE ENCLOSURE falls within the area traced out by the 5 angle in figure 4E, the limitation in 4.6.2 on sizes of openings in bottoms of FIRE ECLOSURES also apply to this portion of the side.
* b% k- S. |; b2 h- Z5 ~+ \如何判定頂部開是否滿足 5angle(UL60950 Figure 4E)呢?
& K' B! s% [6 F; @5 [6 n有相關的軟件嗎?還是用目測拉5度的方法。請賜教。 |
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