CCD激光自准直测量
CCD laser collimation measure
光路自动切换保护
automatic optical-path switching protection
激光自准直测量
Laser auto-collimation measurement
激光自准直经纬仪
laser autocollimator theodolite
自准直光波导连接器
self-aligning optical waveguide connector
自准直光计
autocollimating spectrometer
自准直光谱仪
autocollimating spectrometer
auto-collimating spectrometer