disk flying shears with double length size

disk-disk rheometer

Backup and restore of floopy disk and hard disk

disk scheduling basded on disk arm and rotational position

disk-to-disk

zip disk， zip disk drive

medium-size and small-size enterprises

Particle size and particle size distribution

Particle Size and Size Distribution

polymer particle size and size distribution

pore size and pore size distribution

Size and Size Distribution

(magnetic)disk

abrasive disk

abrasive disk cutter

Accretion Disk

acoustic disk

Actuator Disk

actuator-disk theory