单闸板平板闸阀
single disc flat gate valves
非线性平板光波
Nonlinear slab optical waveguides
金属包层渐变折射率平板光波导
metal-clad graded-index planar optical waveguides
扩散平板光波导
Diffused planar optical wave guide
脉冲氦氖激光平板干涉仪
pulsed He-Ne laser planeplate interferometer
平板光伏系统
panel photovoltaic system
平板光生物反应器
Flat-plate photobioreactor
平板光子晶体
planer photonic crystal
flat-panel photonic crystal
双闸板平板闸阀
double disc flat gate valves