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EN60598标准是没有详细要求漏水孔大小,大家一般要求开多大的孔和槽.: [& h: W5 d8 L8 I. t k; K
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4.17 Drain holes" R$ r& q' i4 D1 ?: h
Drip-proof, rain-proof, splash-proof and jet-proof luminaires shall be so designed that if water/ ]* }0 o, `: T1 p( s9 _ h
accumulates in the luminaire it can drain out effectively, for example by opening one or more- B$ v7 h4 Y7 N2 |9 h7 o. b
drain holes. Watertight luminaires shall have no provision for draining./ R: b& I1 j" V9 V
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