ZJ21014 guitar ọkà okwu imi akwa

Nkọwa dị mkpirikpi:

Ọ bụ grille etinyere n'ihu onye na-ekwu okwu, yana onye na-ekwu okwu kpọmkwem grille. Ọ bụ netwọk ọdịyo na-ejikọta ihe kpochapụwo na ihe ejiji.
Chee echiche nke ọma n'ichepụta ụda, ọ dịghịkwa mgbe ọ bụla attenuation nke ụda dị elu ma ọ bụ dị ala ga-adị. Ọkà ọrụ ya dị nnọọ mgbagwoju anya na ọdịdị ya dịkwa mma nke ukwuu.