The 2-Minute Rule for เลเซอร์กำจัดขน
เตรียมตัวอย่างไรก่อนทำเลเซอร์กำจัดขนA laser diode is usually a semiconductor gadget that transmits coherent and remarkably concentrated mild through a course of action referred to as stimulated emission. It comprises a p-n junction, in which electrons and holes combine, releasi