In addition to industrial marking, cutting, and welding applications, laser instruments have been widely used in modern life. Still, they are also widely used in the medical beauty industry, such as oral laser treatment instruments, laser eyebrow washing instruments, and laser skin-beautifying instr

FM radio transmitter is mainly used to wirelessly transmit the voice of FM radio stations and music programs. In the operation process, a certain amount of heat will be generated in the FM broadcasting transmitter. The temperature greatly influences the performance of the transmitter, and too high o

FM radio transmitter is mainly used to wirelessly transmit the voice of FM radio stations and music programs. In the operation process, a certain amount of heat will be generated in the FM broadcasting transmitter. The temperature greatly influences the performance of the transmitter, and too high o