脉冲氦氖激光平板干涉仪
pulsed He-Ne laser planeplate interferometer
平板宽波导 CO2激光器
wide planar-waveguide CO2 gas laser
单闸板平板闸阀
single disc flat gate valves
非线性平板光波
Nonlinear slab optical waveguides
激光平地
laser flat land
laser controlled land leveling
Laser-controlled land leveling
激光平地机
Laser leveling system
Laser land leveling machine
激光平面干涉仪
laser plane interferometer
激光平面扫描
laser light plane scanning
激光平台测量仪
laser-measurer of platform