视距仪

  • 网络tacheometer;tachymeter;stadia
视距仪视距仪
  1. 无须跑尺自计视距仪是一种新式的测量仪器,经过研究,我们已初步试制成功。

    The no staff and self-reducing tacheometer is a new type of surveying instrument designed and constructed by a group of teachers and students of our department .