Qhov chaw cua sov yog nyob rau hauv thawj theem ntawm lubreflow soldering tshuab, preheating thiab cua sov lub rooj tsavxwm PCB, ua kom lubsolder muab tshuaj txhuam, volatilizing ib feem ntawm cov kuab tshuaj, thiab evaporating cov dej noo ntawm PCB pawg thawj coj saib thiab cov khoom, tshem tawm cov kev ntxhov siab sab hauv.
Post lub sij hawm: Sep-27-2022