勒斯劳ROSLAU专用琴弦，确保获得清晰如歌的声音，实心铜材绕制的低音弦释放浑厚音响。 琴弦长度比较传统钢琴的长5%-10%，低音缠弦含铜量达95%，保证低音清晰、饱满、圆润、通透

ROSLAU Lacey steel strings to ensure a clear song of the sound,Solid copper cobbled sound of the release.The length of the strings is 5% to 10% longer than that of the traditional piano, and the bass strings contain 95%,Guaranteed bass clear, full, rounded, transparent.