LCD (Ua Kua Crystal zaub) thev naus laus zis tau txhim kho kom sai, thiab LCD bar - Hom LCD cov khoom tam sim no yog cov khoom lag luam tshiab ntawm kev ua lag luam. Yog li dab tsi yog bar hom lcd zaub? Lcd bar - hom zaub yog hais txog ntev - Zoo li LCD npo nrog ib qho kev sib piv l
Peb txaus siab heev rau ob qho tib si ntawm cov neeg siv khoom tus cwj pwm thiab cov khoom lag luam. Cov khoom tau xa khoom sai sai thiab ntim kom zoo zoo thiab nruj.