1)coil diameter,线盘直径2)barrel diameter,筒体直径、线盘筒径3)core diameter,线芯直径、纤芯直径、(线盘)筒径4)optic disc diameter,视盘直径5)diameter of chuck,卡盘直径6)radial disk line,桨盘径线
用法例句
Magnification corrected measurements of optic disc diameters and area were done using Zeiss FF450 Plus fundus camera.