direction finder zero alignment

专业词汇在线翻译、专业英语词典、双语例句 ... 定位要素 element of fix 定位仪零位校正 direction finder zero alignment ...

... ) position finding device 测位仪定位仪 ) direction finder zero alignment 测向仪零位校正 ) azimuth leveler 方位水平仪 ...