closedcircuit video monitor
synchronous video and audio transmission
Synchronous Video Classroom
Video synchronous signals
closed loop synchronous circuit
frame synchronous circuit
open loop synchronous circuit
permanent magnetic vacuum synchronous circuit brea
queue packet and synchronous circuit exchange
Synchronous Circuit Breaker
Video assisted thoracoscopy surgery Video assisted minithoracotomy surgery
self-start synchronous motor; self-synchronous motor
alternation current circuit {= AC circuit}
earth circuit [= earth return circuit]