magnetic key磁动电键magneticadj.有磁性的；有吸引力的；催眠术的n.磁体，磁性物质magnetic after effect磁后效,剩磁效应magnetic vane ammeter铁叶推拒式安培计,磁叶安培计magnetic drum control磁鼓控制magnetic spiral chute磁力螺旋溜槽magnetic heart vector心磁向量magnetic tape tension磁带张力,磁带拉力magnetic observations磁力测量magnetic stage factor漏磁系数Magnetical separation磁分离magnetic bead therapy磁珠疗法