two concentric sleeve pipes
Addendum concentric circles
amphicribral concentric vascular bundel
amphivasal concentric vascular bundle
Balo’s concentric sclerosis
Bennett’s concentric opal sphere
Burgess’s Concentric Model
cable with concentric protective layer
circular concentric diffraction grating
combination drilling concentric completion rig
concentric
同心性
同心的
同轴的
同心状
同心状的
同中心的
同心圆
同心
同心球
concentric adjustable bearing
Concentric anchor beacon localization algorithm