Cathode Ray Tube – Ncaj Nraim
–E13.1407 – Cathode Ray Tube – Ncaj Ncaj Nrawm kom ua kom pom cathode txoj kab hluav taws xob taug kev ncaj thiab tuaj yeem tiv thaiv los ntawm cov khoom hlau. Nws muaj li ntawm: iav lub hnab ntawv, hla pob phaj hlau, cathode, anode, txhawb kev muag zaub.
Sau koj cov lus ntawm no thiab xa rau peb
