钢琴是由近万个精巧的零部件组成的。每一个零部件都有十分精确的技术要求，只有精密的设备和先进的工艺才能做到。十几年来，我国大量地引进国外先进的设备和技术，生产的钢琴质量有很大的提高。但在钢琴的调整和维修方面变化不大，大多还采用传统的工具、技术和手段，影响了 Piano is composed of nearly ten thousand delicate parts. Each part has very precise technical requirements, only sophisticated equipment and advanced technology can be done. In the past decade or so, China has introduced a large number of advanced foreign equipment and technologies to improve the quality of the piano produced. However, the adjustment and maintenance of the piano changed little, mostly using traditional tools, techniques and means, affecting