AVR is an abbreviation of Automatic Voltage Regulator, it is in particular referring to AC Automatic Voltage Regulator.
AVR ເປັນຄໍາຫຍໍ້ຂອງອັດຕະໂນມັດ Voltage Regulator, ມັນເປັນໂດຍສະເພາະອ້າງອີງໃສ່ AC ອັດຕະໂນມັດ Voltage Regulator.