指: finger零: zero zero sign; nought式: type; style方向: direction; orientation测: survey; fathom; measure针: needle对零式方向测针: null type yaw probe; null-type yaw probe压敏式方向测针: pressure sensitive direction probe; pressure-sensitive direction probe对零式三孔方向测针: null-type yaw probe; null-typeyawprobe方向测针: direction probe指零式电桥: null type bridge; null-type bridge中心指零式仪表: zero centre (type) meter; zero centre meter中心指零式测量仪表: center zero meter中央指零式航道指示器: centre-zero meter方向测定: direction detection; direction measurement方向测距: direction ranging方向测量: directional survey方向测量尺: travel arm倾斜式方向盘: tilt steering wheel旋转方向测试: check of direction of rotation爪型方向测计: claw type yaw probe臂式方向指示器: arm winker; trafficator交替方向隐式方法: alternating direction implicit method测针: brad; exploring tube; fid; locating pin; marking-arrow; measuring pin; point gage; point gauge; searching tube; sonde; staking pin; test pick高频方向测定仪: high frequency direction finder
