60W led street lights with Type 2 Medium, Type 2 Short, and Type 5 Wide指什么
Q:60W led street lights with Type 2 Medium, Type 2 Short, and Type 5 Wide Light distribution options and rigid arm for pole mounting.----其中的这些指什么Type 2 Medium, Type 2 Short, and Type 5 WideA:2类中矩的配光曲线，Type 2 Medium
https://lighting.ledpan.com/ledpan690.png
这个就是 I类短的，我给你找个 TYPE II MED的。
https://lighting.ledpan.com/ledpan691.png
https://lighting.ledpan.com/ledpan692.png
Q:这些是指透镜类型吗？
A:和透镜类型有关
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