可调整圆形开口螺模
adjustable round split die
波形圆板
corrugated circular plate
层合开口圆柱壳
Laminated cylindrical open shells
带调整螺钉的可调式圆板牙
adjustable round split die with adjusting screw
叠层连续开口圆柱壳
laminated con tinuous open cylindrical shell
腹板开圆孔节点
connection with opening on beam web
夹层椭圆形板
elliptical sandwich plate
矩形-圆形波导转换器
rectangular-circular waveguide transducer
卡口圆形接头
bayonet circular connector
平行圆板形电离箱
parallel circular plate ionization chamber
椭圆开口度
elliptical placket degree