【正文】
連錫在進(jìn)行手工校正時造成連錫回流區(qū)的高溫時間太長虛 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)時間太短焊盤設(shè)計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