我们在调一架钢琴时，往往会遇到断低音弦的情况。出现这种情况有人为造成和琴本身问题造成两种原因。人为造成琴弦折断的原因有：（1）调律师的听力不够，音律调得过高，琴弦承受拉力过大。这就需要调律师强化对低音区音高的听辨能力，并狠练调好低音弦组的基本功。（2）调律 When we tune in a piano, we often encounter bass strings. There are two reasons why this happens to cause problems with the guitar itself. Artificially caused the strings break because: (1) transfer lawyers hearing is not enough, temperament tune too high, the strings under tension too much. This requires a transfer lawyer to strengthen the ability to listen to the bass pitch pitch, and ruthless tune the bass string group’s basic skills. (2) tuning