conductors列车乘务人员conductorn.售票员；导体；指挥conductor corrosion prevention导线防腐Conductor lightning eliminator导体消雷器conductor access bubble device导体存取磁泡器件conductor ramification theorem前导子分歧定理conductor propagation of bubble磁泡导体传输conductor allowable temperature导线允许温度conductor with double insulation双层绝缘线conductor-ramification theorem前导子分歧定理conductor cross-section option导线截面选择Conductors of the Training Groups音乐营训练团指挥