alternation current circuit {= AC circuit}

earth circuit [= earth return circuit]

enlarged circuit and compensation circuit

single filip-flop circuit (sff circuit)

trip circuit and closing circuit

same -priming effect

1--Priming

Affective priming

anticorrosive priming paint

anti-priming

anti-priming pipe

Asphalt Priming

balanced flow easy priming jet pump

bio-priming

botten priming

bottom priming

Botttom priming

centrifugal self-priming pump

cervical priming