low-pitch setting低距调定
low concentration pitch fume低浓度沥青烟
low fired pitch fibre弱火处理的沥青纤维
Low temperature pitch低温沥青
low w pitch缓倾斜
horn -low pitch低音喇叭
low pitch cone roof低倾度锥形顶盖;小坡度锥形顶盖
Excessively low pitch极低音调
low pitch position低距位置
同义词：low frequency