concentricadj.同中心的;同轴的
concentric bundle同心维管束
concentric strand同心绞线
concentric nozzle环列喷嘴
concentric fodder密结饲料
concentric wiring同心线布线
concentric column同心(色谱)柱
concentric spring同心复式弹簧
concentric sphere同心球面
concentric feeder同轴馈线
concentric candle同心电极弧光灯