BackgroundElectron cyclotron resonance heating (ECRH) is an important heating and plasma current control method for the HL-3 tokamak. Microwave inject into plasma through the launcher. which is an important part of the ECRH system. The ECRH launcher system of HL-3 tokamak consists of three launchers. https://www.bekindtopets.com/huge-sale-Jeffers-Citronella-Aloe-All-Natural-Horse-Shampoo-mega-choice/