摩擦压光纸板
friction glazed paper board
单闸板平板闸阀
single disc flat gate valves
电热平板压烫机
electrically heated flat bed press
二维不可压平板边界层
incompressible wall boundary layer
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