mill wheel

n.

水车，水车的轮；磨轮；

MILL WHEEL
MillWheel: fault-tolerant stream processing at internet scale
Symptoms and signs of syndromes associated with mill wheel murmurs.
The 'mill-wheel' murmur and computed tomography of intracardiac air emboli.
Loud millwheel murmur presumably caused by air embolism in a patient with pneumoperitoneum
The Mill Wheel
Transient millwheel heart murmur and cardiorespiratory alterations in a dachshund during hemilaminectomy
Hydromill wheel with single disc cutting rollers
HYDROMILL WHEEL WITH SINGLE DISC CUTTING ROLLERS
Riders Of The Purple Sage - Chapter 6. The Mill-Wheel Of Steers