primary winding
初级线圈
初级绕组
一次绕组
一次线圈
主绕组
原边绕组
初级卷线
原绕组
bias between the mass center and siffness center
center to center communications
center to center distance
net primary production per gross primary production ratio
primary element and primary weight analysis
primary parametric resonance and primary resonance
(RDC) regional distributon center
014 Center Under Ministry of Aerospace Industry
1~(st) district of center Sungar
120First-aid call center
12319 calling center of urban construction
1st district of center Sungar