tread chord width

例句：

1. 1. The musician carefully adjusted the tread chord width to ensure a perfect sound.
   这位音乐家小心翼翼地调整了踏步弦宽，以确保声音完美。
2. 2. During the concert, the performer used a tread chord width of about 10 centimeters.
   在音乐会上，表演者使用了大约10厘米的踏步弦宽。
3. 3. The composer experimented with different tread chord widths to find the optimal balance between volume and timbre.
   作曲家尝试了不同的踏步弦宽，以找到音量和音色之间的最佳平衡。