Sonometer
E15.0101Sonometer |
Ubungakanani bebhodi yeplanga 68x9cm, kubandakanya 2 isikwere sentwasahlobo isikali 50N. |
Bhala umyalezo wakho apha uze uyithumele kuthi
E15.0101Sonometer |
Ubungakanani bebhodi yeplanga 68x9cm, kubandakanya 2 isikwere sentwasahlobo isikali 50N. |