牛奶唏缪 发表于 2012-3-23 12:05
my opinion - 这种情况, 要看使用环境和lens cover 的用途来看:
1. 如果lens cover 是作为外壳 (water ...
billowlee 发表于 2012-3-23 13:07 ( [; y: H2 U5 @; ^5 c4 }' @# h' h$ W
RTI分3个值
RTI Elec — Electrical RTI, associated with critical insulating properties.
1314201 发表于 2012-3-27 17:07 o: W4 q, C" d. M1 z6 Q( O/ a
UL1598C+UL8750+UL1310+UL496? UL496应该是灯头的评估标准,UL8750+UL1310是灯具中电源的评估标准,筒灯需 ...
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