英语翻译
marking-and-spacing intervals
拓展翻译
传号百分数
marking percentage
传号电波
marking wave
传号电流
marking current
传号空号比
mark--to-space ratio
传号脉波
marking pulse
传号线
call wire
传号音
order tone
垂直间距
vertical interval
磁道间距
track pitch; track spacing
磁轨间距
track pitch
存放间距
storage distance
单间距
single space
导孔间距
feed pitch
地脚螺栓孔间距
anchor hole pitch
地域间距指示器
terrain-clearance indicator
传输距离
transmission distance
垂直距离
vertical dimension; vertical distance
单位距离
unit interval
单位距离码
unit distance code
等距离
equidistance