二次曲线的共轭直径
conjugate diameters of a conic
等径共轭凸轮
constant-diameter conjugate cam
二次曲面的共轭直线
conjugate line in a quadric
二次曲线的共轭直线
conjugate lines in a conic
共轭径面
conjugate diametral plane
孔径共轭
aperture conjugate technology
orthoscopic image
相位共轭共存
phase conjugation coexisting
圆及共轭径法
circle method for conjugate diameter
大直径径向渗透率仪
full diameter radial permeameter
大直径直缝焊管
Large－ sized straight weld pips
large-diameter butt welded pipe
large diameter longitudinal welded pipe
Large-sized straight welded tube