搞笑证书:“紫外线灯辐照强度≥70Uw/cm2”。请问UW怎么读,代表何意思?
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is it Uv? if Uv, then is it ultraviolet u wan?
if Uw then sorry.i dont know.
is it Uv? if Uv, then is it ultraviolet u wan?
if Uw then sorry.i dont know.