【正文】
連錫在進(jìn)行手工校正時(shí)造成連錫回流區(qū)的高溫時(shí)間太長虛 焊焊盤或元件氧化嚴(yán)重印錫不均勻預(yù)熱區(qū)升溫過快均溫區(qū)時(shí)間太短焊盤設(shè)計(jì)與元器件尺寸配合謝 謝 大 家 !謝謝觀看 /歡迎下載BY FAITH I MEAN A VISION OF GOOD ONE CHERISHES AND THE ENTHUSIASM THAT PUSHES ONE TO SEEK ITS FULFILLMENT REGARDLESS OF OBSTACLES. BY FAITH I BY FAITH