optical line spectrum sound of pronunciation

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optical line spectrum in Hindi：प्रकाशिक रेखा स्पेक्ट्रम

Neighbors

"optical lens" sound, "optical level" sound, "optical lever" sound,

"optical libration" sound

"optical light filter" sound

"optical line specturm" sound

"optical mark reading" sound

"optical maser" sound

"optical measurement" sound