【计】 空穴迁移率

macular hole

Eye Bone-Hole

doughnut hole size

tapped hole

coffee shot-hole borer【植保】;Dryocoetes coffeae Egg【植保】

aperture size【矿】;dimension of screen hole【油气】;mesh size【粮食】

anchor hole depth

plug-and-feather hole【矿】