Cov nram qab no luv luv qhia txog qhov tsis pom kev ntawm LED: luminous flux, luminous efficiency, luminous siv, luminous siv tis, wavelength.
Cov no yog ob peb yam tseem ceeb dua, Kuv vam tias lawv tuaj yeem pab koj.
Cov nram qab no luv luv qhia txog qhov tsis pom kev ntawm LED: luminous flux, luminous efficiency, luminous siv, luminous siv tis, wavelength.
Cov no yog ob peb yam tseem ceeb dua, Kuv vam tias lawv tuaj yeem pab koj.
