小孔孔径
the aperture of the small hole wafer
大数值孔径小非球面
small aspherical surface with large NA
高压小孔径离心式喷嘴
high pressure small aperture centrifugal nozzle
极小孔径终端
very small aperture terminal
甚小孔径天线终端
VSAT Very Small Aperture Terminal
小孔径光电导天线
small-aperture photoconductive antenna
小孔径锚索
cable with small borehole